Area Code 319
Area code 319 is in Iowa, USA , spanning 22 counties and serving 172 cities, including Cedar Rapids, Iowa City or Waterloo; it currently uses 557 prefixes, assigned from 319-200-XXXX through 319-999-XXXX.
In service date for area code 319: January 01, 1947.
The current local time is .
For exact NPA boundaries see official 319 area code map
Phone number lookup
More Iowa area codes:
Locate any 319-NXX prefix:
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 319-200 | Cedar Rapids | 2/10/2012 |
| 319-201 | Mount Pleasant | N/A |
| 319-202 | Cedar Rapids | 5/13/2004 |
| 319-203 | Swisher | 3/19/2010 |
| 319-204 | Mount Pleasant | 8/1/2014 |
| 319-205 | Mount Vernon | 5/23/2017 |
| 319-206 | Cedar Rapids | 8/14/2017 |
| 319-207 | Morley | 6/28/2018 |
| 319-208 | Burlington | 3/25/2003 |
| 319-209 | Burlington | 4/10/2001 |
| 319-210 | Cedar Rapids | 2/12/2002 |
| 319-212 | Columbus Junction | 4/10/2003 |
| 319-213 | Cedar Rapids | 7/14/2004 |
| 319-214 | Vinton | 11/24/2004 |
| 319-215 | Waterloo | 1/19/2004 |
| 319-216 | Martelle | 6/29/2018 |
| 319-217 | Mount Pleasant | 2/6/2003 |
| 319-218 | Olin | 6/29/2018 |
| 319-219 | Mount Pleasant | N/A |
| 319-220 | Central City | 6/25/2015 |
| 319-221 | Cedar Rapids | N/A |
| 319-222 | Cedar Falls | N/A |
| 319-223 | Newhall | N/A |
| 319-224 | Troy Mills | N/A |
| 319-225 | Amana | 11/14/2006 |
| 319-226 | Waterloo | N/A |
| 319-227 | Norway | N/A |
| 319-228 | Van Horne | N/A |
| 319-229 | Waterloo | 8/8/2014 |
| 319-230 | Waterloo | N/A |
| 319-231 | Waterloo | N/A |
| 319-232 | Waterloo | N/A |
| 319-233 | Waterloo | N/A |
| 319-234 | Waterloo | N/A |
| 319-235 | Waterloo | N/A |
| 319-236 | Waterloo | N/A |
| 319-237 | Burlington | 3/7/2002 |
| 319-238 | Oelwein | 2/4/2004 |
| 319-239 | Waterloo | N/A |
| 319-240 | Waterloo | N/A |
| 319-241 | Cedar Rapids | 3/7/2002 |
| 319-242 | Cedar Falls | 3/28/2002 |
| 319-243 | Cedar Falls | 4/22/2002 |
| 319-244 | Ely | 11/14/2006 |
| 319-245 | Grundy Center | 6/25/2015 |
| 319-246 | Ft Madison | 1/13/2003 |
| 319-247 | Cedar Rapids | N/A |
| 319-248 | Iowa City | N/A |
| 319-249 | Cedar Rapids | 2/24/2017 |
| 319-250 | Ft Madison | 10/26/2009 |
| 319-251 | Anamosa | 4/19/2017 |
| 319-252 | Waterloo | 6/29/2016 |
| 319-253 | Hillsboro | N/A |
| 319-254 | Olds | N/A |
| 319-255 | Columbus Junction | 4/16/2002 |
| 319-256 | Wayland | N/A |
| 319-257 | Winfield | N/A |
| 319-258 | Salem | N/A |
| 319-259 | Iowa City | 6/29/2017 |
| 319-260 | Cedar Falls | 10/12/2015 |
| 319-261 | Cedar Rapids | N/A |
| 319-262 | Kalona | 11/29/2006 |
| 319-263 | Cedar Rapids | 6/12/2006 |
| 319-264 | Oelwein | 8/7/2017 |
| 319-265 | Cedar Rapids | N/A |
| 319-266 | Cedar Falls | N/A |
| 319-267 | Allison | N/A |
| 319-268 | Cedar Falls | N/A |
| 319-269 | Waterloo | N/A |
| 319-270 | Cedar Rapids | N/A |
| 319-271 | Independence | 1/18/2017 |
| 319-272 | Waterloo | N/A |
| 319-273 | Cedar Falls | N/A |
| 319-274 | Waterloo | N/A |
| 319-275 | Frederika | N/A |
| 319-276 | Plainfield | N/A |
| 319-277 | Cedar Falls | N/A |
| 319-278 | Clarksville | N/A |
| 319-279 | Readlyn | N/A |
| 319-280 | Keosauqua | 7/23/2018 |
| 319-281 | Hudson | 5/23/2017 |
| 319-282 | North English | 11/14/2006 |
| 319-283 | Oelwein | N/A |
| 319-284 | Oelwein | N/A |
| 319-285 | Sharon Center | 3/19/2010 |
| 319-286 | Cedar Rapids | N/A |
| 319-287 | Waterloo | N/A |
| 319-288 | Keosauqua | 11/11/2005 |
| 319-289 | Cedar Rapids | 6/4/2018 |
| 319-290 | Waterloo | N/A |
| 319-291 | Waterloo | N/A |
| 319-292 | Waterloo | N/A |
| 319-293 | Keosauqua | N/A |
| 319-294 | Cedar Rapids | N/A |
| 319-295 | Cedar Rapids | N/A |
| 319-296 | Waterloo | N/A |
| 319-297 | Cedar Rapids | N/A |
| 319-298 | Cedar Rapids | N/A |
| 319-299 | Belle Plaine | 7/28/2016 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 319-300 | Waterloo | 8/27/2018 |
| 319-301 | South English | 4/12/2021 |
| 319-302 | Center Point | 5/7/2019 |
| 319-303 | Denver | 10/27/2021 |
| 319-304 | Cedar Rapids | 7/23/2020 |
| 319-305 | Mount Vernon | 10/27/2021 |
| 319-306 | Jesup | 10/26/2022 |
| 319-307 | Dunkerton | 01/24/2023 |
| 319-308 | Ft Madison | 8/18/2020 |
| 319-309 | Guernsey | 01/24/2023 |
| 319-310 | Cedar Rapids | N/A |
| 319-312 | Dysart | 3/23/2010 |
| 319-313 | Keokuk | N/A |
| 319-314 | Readlyn | 01/24/2023 |
| 319-315 | Anamosa | 6/21/2021 |
| 319-316 | Ft Madison | N/A |
| 319-317 | Cedar Rapids | 4/1/2021 |
| 319-318 | Vinton | 3/15/2016 |
| 319-319 | Iowa City | 9/27/2022 |
| 319-320 | Cedar Rapids | 4/9/2015 |
| 319-321 | Iowa City | N/A |
| 319-322 | Norway | 11/14/2006 |
| 319-323 | Oelwein | 6/16/2020 |
| 319-324 | Brighton | 9/21/2020 |
| 319-325 | Iowa City | 3/9/2001 |
| 319-326 | Independence | 7/21/2020 |
| 319-327 | Independence | 4/26/2005 |
| 319-328 | Newhall | 11/14/2006 |
| 319-329 | Cedar Rapids | N/A |
| 319-330 | Iowa City | N/A |
| 319-331 | Iowa City | N/A |
| 319-332 | Independence | 4/3/2006 |
| 319-333 | Iowa City | 3/19/2010 |
| 319-334 | Independence | N/A |
| 319-335 | Iowa City | N/A |
| 319-336 | Hills | 11/14/2006 |
| 319-337 | Iowa City | N/A |
| 319-338 | Iowa City | N/A |
| 319-339 | Iowa City | N/A |
| 319-340 | Waterloo | 7/27/2022 |
| 319-341 | Iowa City | N/A |
| 319-342 | La Porte City | N/A |
| 319-343 | Center Point | 11/9/2011 |
| 319-344 | Columbus Junction | 6/25/2015 |
| 319-345 | Reinbeck | N/A |
| 319-346 | Parkersburg | N/A |
| 319-347 | Aplington | N/A |
| 319-348 | Waterloo | 12/17/2019 |
| 319-349 | Waterloo | 5/12/2015 |
| 319-350 | Cedar Rapids | N/A |
| 319-351 | Iowa City | N/A |
| 319-352 | Waverly | N/A |
| 319-353 | Iowa City | N/A |
| 319-354 | Iowa City | N/A |
| 319-355 | Cedar Rapids | 3/8/2005 |
| 319-356 | Iowa City | N/A |
| 319-357 | Fairfax | 11/14/2006 |
| 319-358 | Iowa City | N/A |
| 319-359 | Iowa City | 7/11/2012 |
| 319-360 | Cedar Rapids | N/A |
| 319-361 | Cedar Rapids | N/A |
| 319-362 | Cedar Rapids | N/A |
| 319-363 | Cedar Rapids | N/A |
| 319-364 | Cedar Rapids | N/A |
| 319-365 | Cedar Rapids | N/A |
| 319-366 | Cedar Rapids | N/A |
| 319-367 | New London | N/A |
| 319-368 | Cedar Rapids | N/A |
| 319-369 | Cedar Rapids | N/A |
| 319-370 | Coggon | 6/21/2021 |
| 319-371 | Ft Madison | N/A |
| 319-372 | Ft Madison | N/A |
| 319-373 | Cedar Rapids | N/A |
| 319-374 | Oran | 2/22/2022 |
| 319-375 | Cedar Rapids | N/A |
| 319-376 | Ft Madison | N/A |
| 319-377 | Cedar Rapids | N/A |
| 319-378 | Cedar Rapids | N/A |
| 319-379 | Iowa City | 9/29/2020 |
| 319-380 | Burlington | 11/25/2020 |
| 319-381 | Iowa City | 12/21/2020 |
| 319-382 | Cedar Rapids | 11/5/2012 |
| 319-383 | Iowa City | 3/22/2011 |
| 319-384 | Iowa City | N/A |
| 319-385 | Mount Pleasant | N/A |
| 319-386 | Mediapolis | 9/28/2020 |
| 319-387 | Central City | 6/21/2021 |
| 319-388 | Donnellson | 12/2/2021 |
| 319-389 | Cedar Rapids | N/A |
| 319-390 | Cedar Rapids | N/A |
| 319-391 | Cedar Rapids | 02/17/2023 |
| 319-392 | Danville | N/A |
| 319-393 | Cedar Rapids | N/A |
| 319-394 | Mediapolis | N/A |
| 319-395 | Cedar Rapids | N/A |
| 319-396 | Cedar Rapids | N/A |
| 319-397 | Cantril | N/A |
| 319-398 | Cedar Rapids | N/A |
| 319-399 | Cedar Rapids | N/A |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 319-400 | Iowa City | 1/19/2001 |
| 319-401 | Tripoli | 04/04/2023 |
| 319-402 | Iowa City | 04/10/2023 |
| 319-403 | Cedar Rapids | 04/10/2023 |
| 319-404 | Waterloo | N/A |
| 319-405 | Anamosa | 1/27/2022 |
| 319-406 | Denver | 9/12/2001 |
| 319-407 | Waverly | 12/14/2021 |
| 319-408 | Lisbon | 3/9/2010 |
| 319-409 | Cedar Rapids | 11/23/2011 |
| 319-410 | Oelwein | 12/29/2021 |
| 319-412 | Cedar Rapids | 2/12/2018 |
| 319-413 | Troy Mills | 04/11/2023 |
| 319-414 | Keosauqua | 08/18/2023 |
| 319-415 | Waterloo | 3/27/2001 |
| 319-416 | Vinton | 06/14/2023 |
| 319-417 | Ft Madison | 09/25/2023 |
| 319-419 | Waverly | 3/9/2018 |
| 319-420 | Waterloo | 06/29/2023 |
| 319-421 | Shell Rock | 11/14/2006 |
| 319-422 | Parkersburg | 4/15/2021 |
| 319-423 | Cedar Rapids | 5/6/2010 |
| 319-425 | Anamosa | 12/17/2008 |
| 319-426 | Fairbank | 2/17/2022 |
| 319-427 | Waterloo | N/A |
| 319-428 | Burlington | 12/11/2023 |
| 319-429 | Waterloo | 6/7/2007 |
| 319-430 | Iowa City | N/A |
| 319-431 | Cedar Rapids | N/A |
| 319-432 | Cedar Rapids | 7/24/2008 |
| 319-433 | Waterloo | N/A |
| 319-434 | Belle Plaine | N/A |
| 319-435 | Coggon | N/A |
| 319-436 | Shellsburg | N/A |
| 319-437 | Prairieburg | N/A |
| 319-438 | Central City | N/A |
| 319-439 | Elberon | N/A |
| 319-440 | Cedar Rapids | N/A |
| 319-441 | Center Point | 1/14/2022 |
| 319-442 | Keystone | N/A |
| 319-443 | Urbana | N/A |
| 319-444 | Belle Plaine | N/A |
| 319-445 | Reinbeck | 5/15/2006 |
| 319-446 | Atkins | N/A |
| 319-447 | Cedar Rapids | N/A |
| 319-448 | Walker | N/A |
| 319-449 | Cedar Rapids | 3/7/2014 |
| 319-450 | Cedar Rapids | N/A |
| 319-451 | Cedar Rapids | 10/18/2022 |
| 319-452 | Columbus Junction | 07/13/2023 |
| 319-453 | Shellsburg | N/A |
| 319-454 | Blairstown | N/A |
| 319-455 | Lisbon | N/A |
| 319-456 | Richland | N/A |
| 319-457 | Burlington | N/A |
| 319-458 | Washington | N/A |
| 319-459 | North Liberty | 3/8/2010 |
| 319-460 | Washington | N/A |
| 319-461 | Washington | N/A |
| 319-462 | Anamosa | N/A |
| 319-463 | Montrose | N/A |
| 319-464 | Waterloo | N/A |
| 319-465 | Monticello | N/A |
| 319-466 | Iowa City | N/A |
| 319-467 | Iowa City | N/A |
| 319-468 | Independence | 06/29/2023 |
| 319-469 | Houghton | N/A |
| 319-470 | Ft Madison | N/A |
| 319-471 | Iowa City | N/A |
| 319-472 | Vinton | N/A |
| 319-473 | Keokuk | 5/30/2001 |
| 319-474 | Brandon | N/A |
| 319-475 | Mount Auburn | N/A |
| 319-476 | Dysart | N/A |
| 319-477 | Garrison | N/A |
| 319-478 | Traer | N/A |
| 319-479 | Clutier | N/A |
| 319-480 | Anamosa | N/A |
| 319-481 | Anamosa | N/A |
| 319-482 | Martelle | N/A |
| 319-483 | Waverly | N/A |
| 319-484 | Olin | N/A |
| 319-485 | Iowa City | 02/15/2024 |
| 319-486 | Waterloo | 4/28/2011 |
| 319-487 | Cedar Rapids | 03/28/2024 |
| 319-488 | Keystone | 2/21/2011 |
| 319-489 | Morley | N/A |
| 319-490 | Cedar Falls | 04/29/2024 |
| 319-491 | Cedar Rapids | N/A |
| 319-492 | Iowa City | 06/18/2024 |
| 319-493 | Waterloo | N/A |
| 319-494 | Mount Sterling | N/A |
| 319-495 | La Porte City | 11/14/2006 |
| 319-496 | Monticello | 07/18/2024 |
| 319-497 | Cedar Rapids | 09/05/2024 |
| 319-498 | Birmingham | N/A |
| 319-499 | Iowa City | 3/25/2011 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 319-500 | Vinton | 12/17/2019 |
| 319-501 | Brighton | 10/04/2024 |
| 319-502 | Waterloo | 11/14/2024 |
| 319-504 | Waterloo | N/A |
| 319-505 | Waterloo | 9/25/2012 |
| 319-508 | Keosauqua | 9/16/2022 |
| 319-509 | Oelwein | N/A |
| 319-512 | Iowa City | N/A |
| 319-515 | Cedar Rapids cedar Rapids | 12/05/2023 |
| 319-519 | Iowa City | 10/22/2014 |
| 319-520 | Keokuk | N/A |
| 319-521 | Cedar Rapids | N/A |
| 319-523 | Wapello | N/A |
| 319-524 | Keokuk | N/A |
| 319-525 | Hartwick | N/A |
| 319-526 | Keokuk | N/A |
| 319-527 | Wapello | N/A |
| 319-528 | Denmark | N/A |
| 319-529 | Waterloo | 9/2/2010 |
| 319-530 | Iowa City | N/A |
| 319-531 | Cedar Rapids | N/A |
| 319-533 | Cedar Rapids | N/A |
| 319-534 | Danville | 1/30/2007 |
| 319-535 | Mount Vernon | 7/24/2006 |
| 319-536 | Cedar Rapids | 11/10/2011 |
| 319-537 | Mount Pleasant | 5/30/2001 |
| 319-538 | Cedar Rapids | 12/18/2007 |
| 319-539 | Riverside | 12/8/2021 |
| 319-540 | Cedar Rapids | N/A |
| 319-541 | Iowa City | N/A |
| 319-543 | Solon | 3/28/2006 |
| 319-545 | Tiffin | N/A |
| 319-548 | Washington | N/A |
| 319-549 | Olds | 11/11/2014 |
| 319-550 | Cedar Rapids | N/A |
| 319-551 | Cedar Rapids | N/A |
| 319-552 | Mount Pleasant | 6/25/2015 |
| 319-553 | Cedar Falls | N/A |
| 319-558 | Cedar Rapids | N/A |
| 319-559 | Waverly | 9/10/2012 |
| 319-560 | Cedar Rapids | N/A |
| 319-561 | Ft Madison | 5/30/2001 |
| 319-566 | Richland | 3/14/2022 |
| 319-569 | Iowa City | 6/7/2017 |
| 319-572 | Burlington | N/A |
| 319-573 | Cedar Rapids | 1/19/2001 |
| 319-575 | Cedar Falls | N/A |
| 319-576 | Burlington | N/A |
| 319-578 | Swisher | 11/14/2006 |
| 319-582 | Cedar Rapids | 9/7/2018 |
| 319-585 | Hazleton | 4/21/2006 |
| 319-588 | Argyle | 2/24/2022 |
| 319-589 | Alburnett | 5/14/2015 |
| 319-591 | Washington | N/A |
| 319-592 | Bonaparte | N/A |
| 319-594 | Iowa City | N/A |
| 319-595 | Waterloo | 6/14/2018 |
| 319-596 | Waverly | N/A |
| 319-598 | Washington | 5/25/2001 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 319-600 | Iowa City | 4/5/2019 |
| 319-601 | Burlington | 2/9/2001 |
| 319-602 | Hudson | 6/12/2018 |
| 319-609 | Aurora | 5/14/2015 |
| 319-610 | Waterloo | 6/14/2001 |
| 319-614 | Packwood | 7/11/2001 |
| 319-619 | Montrose | 6/23/2021 |
| 319-621 | Iowa City | N/A |
| 319-622 | Amana | N/A |
| 319-623 | Ladora | N/A |
| 319-624 | Solon | N/A |
| 319-625 | North Liberty | N/A |
| 319-626 | North Liberty | N/A |
| 319-627 | West Liberty | N/A |
| 319-628 | Oxford | N/A |
| 319-629 | Lone Tree | N/A |
| 319-631 | Iowa City | N/A |
| 319-632 | North Liberty | N/A |
| 319-633 | Lone Tree | 3/28/2006 |
| 319-634 | Aurora | N/A |
| 319-635 | Fairbank | N/A |
| 319-636 | Hazleton | N/A |
| 319-638 | Oran | N/A |
| 319-639 | Kinross | N/A |
| 319-640 | Cedar Rapids | N/A |
| 319-642 | Marengo | N/A |
| 319-643 | West Branch | N/A |
| 319-644 | Solon | N/A |
| 319-645 | Tiffin | N/A |
| 319-646 | Wellman | N/A |
| 319-647 | Victor | N/A |
| 319-648 | Riverside | N/A |
| 319-651 | Cedar Rapids | N/A |
| 319-652 | Traer | 4/21/2006 |
| 319-653 | Washington | N/A |
| 319-654 | Cedar Rapids | N/A |
| 319-655 | Millersbg | N/A |
| 319-656 | Kalona | N/A |
| 319-657 | Ainsworth | N/A |
| 319-658 | Crawfordsville | N/A |
| 319-660 | Williamsbg | N/A |
| 319-661 | Williamsbg | N/A |
| 319-662 | Conroy | N/A |
| 319-663 | Blairstown | 2/17/2022 |
| 319-664 | North English | N/A |
| 319-665 | North Liberty | N/A |
| 319-666 | Cedar Falls | 1/28/2019 |
| 319-667 | South English | N/A |
| 319-668 | Williamsburg | N/A |
| 319-669 | Ft Madison | 6/5/2001 |
| 319-670 | Keokuk | 6/5/2001 |
| 319-671 | Burlington | 6/5/2001 |
| 319-674 | Wellman | 11/29/2006 |
| 319-675 | Oxford | 2/18/2022 |
| 319-677 | Keosauqua | 4/21/2006 |
| 319-678 | Iowa City | 7/10/2012 |
| 319-679 | Hills | N/A |
| 319-683 | Sharon Center | N/A |
| 319-685 | Guernsey | N/A |
| 319-688 | Iowa City | N/A |
| 319-693 | Cedar Rapids | 9/30/2008 |
| 319-694 | Brighton | N/A |
| 319-695 | Packwood | N/A |
| 319-696 | Lockridge | N/A |
| 319-698 | West Chester | N/A |
| 319-699 | Allison | 5/14/2015 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 319-709 | Winthrop | 5/14/2015 |
| 319-710 | Mount Pleasant | 02/06/2024 |
| 319-712 | Walker | 06/05/2024 |
| 319-719 | Vinton | 11/28/2022 |
| 319-720 | Cedar Rapids | 12/17/2008 |
| 319-721 | Cedar Rapids | N/A |
| 319-722 | Williamsburg | 6/25/2015 |
| 319-723 | Nichols | N/A |
| 319-725 | Conesville | N/A |
| 319-726 | Letts | N/A |
| 319-727 | Coggon | 3/15/2016 |
| 319-728 | Columbus Junction | N/A |
| 319-729 | Grandview | N/A |
| 319-730 | Cedar Rapids | N/A |
| 319-731 | Cedar Rapids | N/A |
| 319-732 | Keokuk | 12/27/2019 |
| 319-733 | Farmington | 3/10/2022 |
| 319-734 | Cedar Rapids | N/A |
| 319-738 | Keswick | N/A |
| 319-739 | Cedar Rapids | N/A |
| 319-741 | Marengo | N/A |
| 319-742 | Denmark | 2/24/2022 |
| 319-743 | Cedar Rapids | N/A |
| 319-745 | West Liberty | 11/15/2006 |
| 319-746 | Brandon | 2/17/2022 |
| 319-750 | Burlington | N/A |
| 319-752 | Burlington | N/A |
| 319-753 | Burlington | N/A |
| 319-754 | Burlington | N/A |
| 319-758 | Burlington | N/A |
| 319-759 | Burlington | N/A |
| 319-766 | Oakville | N/A |
| 319-767 | Keokuk | 3/24/2022 |
| 319-768 | Burlington | N/A |
| 319-770 | West Point | 02/06/2024 |
| 319-774 | Cedar Rapids | 11/24/2010 |
| 319-775 | Cedar Rapids | 5/28/2008 |
| 319-776 | Rowley | 3/25/2022 |
| 319-777 | Cedar Rapids | 4/15/2011 |
| 319-779 | Kalona | 3/19/2010 |
| 319-784 | Cedar Rapids | N/A |
| 319-786 | Cedar Rapids | N/A |
| 319-788 | Reinbeck | 11/29/2001 |
| 319-789 | Washington | 6/25/2015 |
| 319-790 | Cedar Rapids | N/A |
| 319-795 | Keokuk | N/A |
| 319-796 | Stockport | N/A |
| 319-799 | Atkins | 5/14/2015 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 319-800 | Iowa City | N/A |
| 319-804 | Cedar Rapids | 12/15/2008 |
| 319-820 | Monticello | 3/11/2010 |
| 319-821 | Anamosa | N/A |
| 319-822 | Dunkerton | N/A |
| 319-823 | Grundy Center | 7/17/2003 |
| 319-824 | Grundy Center | N/A |
| 319-825 | Grundy Center | N/A |
| 319-826 | Cedar Rapids | 3/10/2010 |
| 319-827 | Jesup | N/A |
| 319-828 | Oxford | N/A |
| 319-830 | Waterloo | N/A |
| 319-832 | Cedar Rapids | N/A |
| 319-833 | Waterloo | N/A |
| 319-834 | Iowa City | N/A |
| 319-835 | Donnellson | N/A |
| 319-836 | Primrose | N/A |
| 319-837 | West Point | N/A |
| 319-838 | Argyle | N/A |
| 319-839 | Marengo | 3/8/2018 |
| 319-841 | Ely | N/A |
| 319-842 | Alburnett | N/A |
| 319-844 | Monticello | 3/19/2010 |
| 319-845 | Fairfax | N/A |
| 319-846 | Fairfax | N/A |
| 319-848 | Ely | N/A |
| 319-849 | Center Point | N/A |
| 319-850 | Burlington | N/A |
| 319-851 | Palo | N/A |
| 319-853 | North Liberty | 2/14/2007 |
| 319-854 | Springville | N/A |
| 319-855 | Iowa City | 9/8/2008 |
| 319-857 | Swisher | N/A |
| 319-859 | Cedar Falls | N/A |
| 319-861 | Cedar Rapids | N/A |
| 319-862 | Cedar Rapids | N/A |
| 319-863 | Washington | N/A |
| 319-864 | Washington | 11/3/2017 |
| 319-865 | Mount Union | N/A |
| 319-866 | Cedar Rapids | N/A |
| 319-867 | Iowa City | 6/24/2019 |
| 319-868 | Morning Sun | N/A |
| 319-874 | Waterloo | N/A |
| 319-877 | West Branch | 11/15/2006 |
| 319-878 | Farmington | N/A |
| 319-880 | Morning Sun | 1/16/2020 |
| 319-881 | Wapello | 6/25/2015 |
| 319-882 | Tripoli | N/A |
| 319-883 | Waterloo | 3/24/2009 |
| 319-884 | Aplington | 7/28/2006 |
| 319-885 | Shell Rock | N/A |
| 319-887 | Iowa City | N/A |
| 319-888 | Waterloo | N/A |
| 319-892 | Cedar Rapids | N/A |
| 319-893 | Cedar Rapids | 12/2/2021 |
| 319-895 | Mountt Vernon | N/A |
| 319-896 | Cedar Rapids | N/A |
| 319-899 | Cedar Rapids | N/A |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 319-900 | Cedar Rapids | 2/22/2019 |
| 319-910 | Parkersburg | 04/04/2023 |
| 319-922 | Salem | 3/14/2022 |
| 319-929 | Cedar Rapids | N/A |
| 319-930 | Iowa City | N/A |
| 319-931 | Mount Pleasant | N/A |
| 319-933 | Janesville | 4/12/2021 |
| 319-934 | Quasqueton | N/A |
| 319-935 | Winthrop | N/A |
| 319-936 | Iowa City | N/A |
| 319-937 | Kingston | N/A |
| 319-938 | Rowley | N/A |
| 319-939 | Waterloo | N/A |
| 319-942 | Hillsboro | 3/4/2022 |
| 319-946 | Mount Union | 2/13/2020 |
| 319-961 | Waterloo | N/A |
| 319-966 | Grandview | 2/28/2022 |
| 319-975 | Anamosa | 12/29/2014 |
| 319-981 | Cedar Rapids | N/A |
| 319-983 | Parkersburg | N/A |
| 319-984 | Denver | N/A |
| 319-985 | Dodgeville | N/A |
| 319-986 | Mount Pleasant | N/A |
| 319-987 | Janesville | N/A |
| 319-988 | Hudson | N/A |
| 319-989 | Parkersburg | N/A |
| 319-992 | Tiffin | 3/25/2022 |
| 319-995 | Winfield | 3/15/2022 |
| 319-996 | Houghton | 3/4/2022 |
| 319-997 | New London | 3/10/2022 |
| 319-999 | Cedar Rapids | 5/1/2008 |
- For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
- Assignment date. N/A - mostly central office codes assigned before 2001.
- NXX prefixes last updated: March 1st, 2025
Cities in area code 319
| City1 | County | Time Zone2 |
|---|---|---|
| Ainsworth | Washington | C |
| Alburnett | Linn | C |
| Allison | Butler | C |
| Amana | Iowa | C |
| Anamosa | Jones | C |
| Aplington | Butler | C |
| Argyle | Lee | C |
| Atkins | Benton | C |
| Aurora | Buchanan | C |
| Austinville | Butler | C |
| Belle Plaine | Benton | C |
| Birmingham | Van Buren | C |
| Blairstown | Benton | C |
| Bonaparte | Van Buren | C |
| Brandon | Buchanan | C |
| Brighton | Washington | C |
| Buckingham | Tama | C |
| Burlington | Des Moines | C |
| Cantril | Van Buren | C |
| Cedar Falls | Black Hawk | C |
| Cedar Rapids | Linn | C |
| Center Point | Linn | C |
| Central City | Linn | C |
| Clarksville | Butler | C |
| Clutier | Tama | C |
| Coggon | Linn | C |
| Columbus City | Louisa | C |
| Columbus Junction | Louisa | C |
| Conesville | Muscatine | C |
| Conroy | Iowa | C |
| Coralville | Johnson | C |
| Crawfordsville | Washington | C |
| Danville | Des Moines | C |
| Denmark | Lee | C |
| Denver | Bremer | C |
| Dewar | Black Hawk | C |
| Dike | Grundy | C |
| Donnellson | Lee | C |
| Dunkerton | Black Hawk | C |
| Dysart | Tama | C |
| Elberon | Tama | C |
| Ely | Linn | C |
| Evansdale | Black Hawk | C |
| Fairbank | Buchanan | C |
| Fairfax | Linn | C |
| Farmington | Van Buren | C |
| Fort Madison | Lee | C |
| Frederika | Bremer | C |
| Garrison | Benton | C |
| Gilbertville | Black Hawk | C |
| Grandview | Louisa | C |
| Grundy Center | Grundy | C |
| Guernsey | Poweshiek | C |
| Hartwick | Poweshiek | C |
| Hazleton | Buchanan | C |
| Hiawatha | Linn | C |
| Hills | Johnson | C |
| Hillsboro | Henry | C |
| Holland | Grundy | C |
| Homestead | Iowa | C |
| Houghton | Lee | C |
| Hudson | Black Hawk | C |
| Independence | Buchanan | C |
| Iowa City | Johnson | C |
| Janesville | Bremer | C |
| Jesup | Buchanan | C |
| Kalona | Washington | C |
| Keokuk | Lee | C |
| Keosauqua | Van Buren | C |
| Kesley | Butler | C |
| Keswick | Keokuk | C |
| Keystone | Benton | C |
| La Porte City | Black Hawk | C |
| Ladora | Iowa | C |
| Lamont | Buchanan | C |
| Langworthy | Jones | C |
| Letts | Louisa | C |
| Lisbon | Linn | C |
| Lockridge | Jefferson | C |
| Lone Tree | Johnson | C |
| Luzerne | Benton | C |
| Marengo | Iowa | C |
| Marion | Linn | C |
| Martelle | Jones | C |
| Mediapolis | Des Moines | C |
| Middle Amana | Iowa | C |
| Middletown | Des Moines | C |
| Millersburg | Iowa | C |
| Monticello | Jones | C |
| Montrose | Lee | C |
| Morley | Jones | C |
| Morning Sun | Louisa | C |
| Morrison | Grundy | C |
| Mount Auburn | Benton | C |
| Mount Pleasant | Henry | C |
| Mount Sterling | Van Buren | C |
| Mount Union | Henry | C |
| Mount Vernon | Linn | C |
| New Hartford | Butler | C |
| New London | Henry | C |
| Newhall | Benton | C |
| Nichols | Muscatine | C |
| North English | Iowa | C |
| North Liberty | Johnson | C |
| Norway | Benton | C |
| Oakdale | Johnson | C |
| Oakville | Louisa | C |
| Oelwein | Fayette | C |
| Olds | Henry | C |
| Olin | Jones | C |
| Oran | Fayette | C |
| Oxford | Johnson | C |
| Packwood | Jefferson | C |
| Palo | Linn | C |
| Parkersburg | Butler | C |
| Parnell | Iowa | C |
| Pilot Grove | Lee | C |
| Plainfield | Bremer | C |
| Prairieburg | Linn | C |
| Quasqueton | Buchanan | C |
| Raymond | Black Hawk | C |
| Readlyn | Bremer | C |
| Reinbeck | Grundy | C |
| Richland | Keokuk | C |
| Riverside | Washington | C |
| Robins | Linn | C |
| Rome | Henry | C |
| Rowley | Buchanan | C |
| Salem | Henry | C |
| Shell Rock | Butler | C |
| Shellsburg | Benton | C |
| Solon | Johnson | C |
| South Amana | Iowa | C |
| South English | Keokuk | C |
| Sperry | Des Moines | C |
| Springville | Linn | C |
| St Paul | Lee | C |
| Stanley | Buchanan | C |
| Stockport | Van Buren | C |
| Stout | Grundy | C |
| Sumner | Bremer | C |
| Swedesburg | Henry | C |
| Swisher | Johnson | C |
| Tiffin | Johnson | C |
| Toddville | Linn | C |
| Traer | Tama | C |
| Tripoli | Bremer | C |
| Troy Mills | Linn | C |
| Urbana | Benton | C |
| Van Horne | Benton | C |
| Victor | Iowa | C |
| Vinton | Benton | C |
| Viola | Linn | C |
| Walford | Benton | C |
| Walker | Linn | C |
| Wapello | Louisa | C |
| Washington | Washington | C |
| Waterloo | Black Hawk | C |
| Watkins | Benton | C |
| Waverly | Bremer | C |
| Wayland | Henry | C |
| Webster | Keokuk | C |
| Wellman | Washington | C |
| West Burlington | Des Moines | C |
| West Chester | Washington | C |
| West Liberty | Muscatine | C |
| West Point | Lee | C |
| Wever | Lee | C |
| Williamsburg | Iowa | C |
| Winfield | Henry | C |
| Winthrop | Buchanan | C |
| Yarmouth | Des Moines | C |
- Listed above are most places served by USA area code 319. When multiple places in a US state share the same name we list the largest one only. Cities with population over 50,000 are displayed in bold text.
- C stands for Central Time (currently ).