Area Code 224
Area code 224 is in Illinois, USA , spanning 4 counties and serving 72 cities, including Elgin, Evanston or Schaumburg; it currently uses 567 prefixes, assigned from 224-200-XXXX through 224-999-XXXX.
In service since January 05, 2002, area code 224 is an overlay Numbering Plan Area, part of overlay complex 847/224.
The current local time is .
For exact NPA boundaries see official 224 area code map
Phone number lookup
More Illinois area codes:
Locate any 224-NXX prefix:
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 224-200 | Arlington Heights | 11/5/2008 |
| 224-201 | Arlington Heights | 11/5/2008 |
| 224-202 | Arlington Heights | 11/5/2008 |
| 224-203 | Northbrook | 9/17/2011 |
| 224-204 | Evanston | 12/21/2015 |
| 224-205 | Northbrook | 11/3/2011 |
| 224-206 | Libertyville | 11/3/2011 |
| 224-207 | Libertyville | 5/24/2004 |
| 224-208 | Bartlett | 10/17/2003 |
| 224-209 | Algonquin | 11/15/2011 |
| 224-210 | Arlington Heights | 11/22/2004 |
| 224-212 | Lake Forest | 11/12/2003 |
| 224-213 | Northbrook | 10/31/2005 |
| 224-214 | Waukegan | 12/19/2011 |
| 224-215 | Wilmette | 4/20/2012 |
| 224-216 | Winnetka | 1/15/2009 |
| 224-217 | Des Plaines | 9/24/2004 |
| 224-218 | Hampshire | 11/1/2004 |
| 224-219 | Waukegan | 12/10/2015 |
| 224-220 | Des Plaines | 11/24/2004 |
| 224-221 | Northbrook | 10/15/2008 |
| 224-222 | Elk Grove | 4/27/2006 |
| 224-223 | Northbrook | 10/15/2008 |
| 224-224 | Des Plaines | 07/31/2024 |
| 224-225 | Fox Lake | 6/19/2006 |
| 224-226 | Northbrook | 9/8/2011 |
| 224-227 | Elgin | 5/2/2011 |
| 224-228 | Barrington | 9/28/2012 |
| 224-229 | Des Plaines | 9/21/2011 |
| 224-230 | Elgin | 5/25/2011 |
| 224-231 | Roselle | 9/6/2012 |
| 224-232 | Arlington Heights | 8/28/2002 |
| 224-233 | Skokie | 3/29/2006 |
| 224-234 | Northbrook | 10/31/2005 |
| 224-235 | Northbrook | 7/11/2011 |
| 224-236 | Bartlett | 7/11/2011 |
| 224-237 | Waukegan | 7/18/2011 |
| 224-238 | Elgin | 6/4/2004 |
| 224-239 | Elgin | 10/13/2010 |
| 224-240 | Des Plaines | 2/19/2013 |
| 224-241 | Algonquin | 1/13/2010 |
| 224-242 | Elgin | 7/19/2011 |
| 224-243 | Fox Lake | 11/6/2009 |
| 224-244 | Des Plaines | 5/18/2010 |
| 224-245 | Arlington Heights | 7/21/2011 |
| 224-246 | Northbrook | 8/11/2011 |
| 224-247 | Arlington Heights | 4/18/2013 |
| 224-248 | Arlington Heights | 6/21/2013 |
| 224-249 | Algonquin | 8/2/2013 |
| 224-250 | Des Plaines | 8/11/2011 |
| 224-251 | Skokie | 4/27/2012 |
| 224-252 | Grayslake | 6/25/2013 |
| 224-253 | Algonquin | 6/25/2013 |
| 224-254 | Des Plaines | 9/13/2011 |
| 224-255 | Winnetka | 7/22/2011 |
| 224-256 | Algonquin | 8/10/2012 |
| 224-257 | Des Plaines | 3/28/2014 |
| 224-258 | Arlington Heights | 6/26/2015 |
| 224-259 | Antioch | 2/17/2016 |
| 224-260 | Glenview | 11/21/2005 |
| 224-261 | Northbrook | 9/8/2011 |
| 224-262 | Des Plaines | 06/26/2023 |
| 224-263 | Huntley | 3/8/2016 |
| 224-264 | Des Plaines | 7/21/2017 |
| 224-265 | Elk Grove | 6/17/2004 |
| 224-266 | Elk Grove | 10/23/2017 |
| 224-267 | Antioch | 12/16/2004 |
| 224-268 | Elgin | 7/1/2014 |
| 224-269 | Glencoe | 2/13/2015 |
| 224-270 | Round Lake | 11/28/2001 |
| 224-271 | Lake Forest | 9/27/2016 |
| 224-272 | Zion | 1/29/2016 |
| 224-273 | Arlington Heights | 11/14/2017 |
| 224-274 | Half Day | 12/8/2017 |
| 224-275 | Des Plaines | 12/11/2017 |
| 224-276 | Elgin | 10/4/2010 |
| 224-277 | Northbrook | 9/2/2010 |
| 224-278 | Roselle | 9/30/2016 |
| 224-279 | Wheeling | 8/4/2010 |
| 224-280 | Waukegan | 10/17/2002 |
| 224-281 | Elgin | 10/16/2013 |
| 224-282 | Northbrook | N/A |
| 224-283 | Des Plaines | 1/31/2018 |
| 224-284 | Deerfield | 1/31/2018 |
| 224-285 | Deerfield | 3/18/2019 |
| 224-286 | Lake Zurich | 9/1/2005 |
| 224-287 | Northbrook | 11/21/2016 |
| 224-288 | Barrington | 2/27/2018 |
| 224-289 | Des Plaines | 4/6/2018 |
| 224-290 | Elgin | 4/13/2018 |
| 224-291 | Elgin | 4/16/2018 |
| 224-292 | Mundelein | 7/23/2018 |
| 224-293 | Dundee | 9/19/2002 |
| 224-294 | Libertyville | 10/19/2018 |
| 224-295 | Palatine | 10/22/2018 |
| 224-296 | Evanston | 12/5/2018 |
| 224-297 | Des Plaines | 10/23/2018 |
| 224-298 | Grayslake | 12/5/2018 |
| 224-299 | Elk Grove | 4/15/2019 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 224-300 | Deerfield | 11/4/2010 |
| 224-301 | Des Plaines | 9/5/2012 |
| 224-302 | Waukegan | 7/13/2012 |
| 224-303 | Waukegan | 7/5/2012 |
| 224-304 | Zion | 5/19/2010 |
| 224-305 | Northbrook | 2/19/2003 |
| 224-306 | Northbrook | 2/19/2003 |
| 224-307 | Evanston | 9/27/2012 |
| 224-308 | Round Lake | 5/2/2012 |
| 224-309 | Northbrook | 06/26/2023 |
| 224-310 | Arlington Heights | 10/12/2012 |
| 224-312 | Roselle | 06/26/2023 |
| 224-313 | Wheeling | 12/23/2015 |
| 224-314 | Arlington Heights | 8/7/2019 |
| 224-315 | Des Plaines | 10/15/2012 |
| 224-316 | Northbrook | 10/19/2012 |
| 224-317 | Lake Forest | 10/10/2019 |
| 224-318 | Arlington Heights | 1/3/2013 |
| 224-319 | Des Plaines | 10/23/2019 |
| 224-320 | Lake Zurich | 1/21/2002 |
| 224-321 | Waukegan | 9/26/2006 |
| 224-322 | Arlington Heights | 3/20/2017 |
| 224-323 | Arlington Heights | 10/7/2009 |
| 224-324 | Arlington Heights | 4/10/2012 |
| 224-325 | Elgin | 12/15/2008 |
| 224-326 | Northbrook | 4/23/2013 |
| 224-327 | Mundelein | 4/27/2020 |
| 224-328 | Winnetka | 5/28/2020 |
| 224-329 | Roselle | 6/8/2020 |
| 224-330 | Northbrook | 9/23/2005 |
| 224-331 | Waukegan | 06/26/2023 |
| 224-332 | Lake Forest | 5/6/2020 |
| 224-333 | Algonquin | 2/17/2005 |
| 224-334 | Arlington Heights | 3/5/2014 |
| 224-335 | Antioch | 8/27/2020 |
| 224-336 | Northbrook | 7/9/2013 |
| 224-337 | Fox Lake | 3/19/2013 |
| 224-338 | Round Lake | 10/12/2006 |
| 224-339 | Elgin | 9/29/2014 |
| 224-340 | Des Plaines | N/A |
| 224-341 | Skokie | 12/18/2020 |
| 224-342 | Arlington Heights | 10/11/2019 |
| 224-343 | Northbrook | 9/29/2007 |
| 224-344 | Wilmette | 5/28/2020 |
| 224-345 | Arlington Heights | 3/2/2005 |
| 224-346 | Lake Villa | 7/14/2020 |
| 224-347 | Arlington Heights | 5/5/2014 |
| 224-348 | Algonquin | 10/10/2019 |
| 224-349 | Arlington Heights | 1/13/2021 |
| 224-350 | Evanston | 9/4/2020 |
| 224-351 | Half Day | 10/17/2008 |
| 224-352 | Half Day | 3/25/2014 |
| 224-353 | Roselle | 4/27/2006 |
| 224-354 | Des Plaines | 9/18/2020 |
| 224-355 | Northbrook | 4/22/2005 |
| 224-356 | Elk Grove | 3/14/2007 |
| 224-357 | Cary | 3/16/2006 |
| 224-358 | Mundelein | 8/10/2010 |
| 224-359 | Elgin | 10/13/2004 |
| 224-360 | Mundelein | 8/17/2010 |
| 224-361 | Des Plaines | N/A |
| 224-362 | Zion | 10/14/2019 |
| 224-363 | Elgin | 9/30/2020 |
| 224-364 | Evanston | 6/5/2003 |
| 224-365 | Northbrook | N/A |
| 224-366 | Elk Grove | 3/30/2005 |
| 224-367 | Dundee | 10/11/2019 |
| 224-368 | Arlington Heights | 12/11/2020 |
| 224-369 | Waukegan | 1/14/2021 |
| 224-370 | Des Plaines | 1/25/2021 |
| 224-371 | Grayslake | 2/4/2021 |
| 224-372 | Lake Villa | 11/7/2006 |
| 224-373 | Deerfield | 2/11/2021 |
| 224-374 | Northbrook | 10/24/2006 |
| 224-375 | Algonquin | 3/9/2021 |
| 224-376 | Fox Lake | 3/25/2021 |
| 224-377 | Half Day | 2/21/2005 |
| 224-378 | Libertyville | 3/30/2021 |
| 224-379 | Park Ridge | 3/30/2021 |
| 224-380 | Plato Center | 3/30/2021 |
| 224-381 | Waukegan | 11/13/2001 |
| 224-382 | Glenview | 3/31/2021 |
| 224-383 | Northbrook | 5/24/2004 |
| 224-384 | Arlington Heights | 5/14/2021 |
| 224-385 | Barrington | 6/11/2014 |
| 224-386 | Palatine | 9/2/2014 |
| 224-387 | Arlington Heights | 9/28/2007 |
| 224-388 | Arlington Heights | 2/18/2005 |
| 224-389 | Algonquin | 6/7/2021 |
| 224-390 | Round Lake | 7/7/2021 |
| 224-391 | Arlington Heights | 8/3/2021 |
| 224-392 | Northbrook | 9/23/2002 |
| 224-393 | Huntley | 6/9/2021 |
| 224-394 | Bartlett | 7/14/2021 |
| 224-395 | Bensenville | 7/14/2021 |
| 224-396 | Barrington | 8/3/2021 |
| 224-397 | Algonquin | 8/3/2021 |
| 224-398 | Arlington Heights | 8/10/2021 |
| 224-399 | Waukegan | 1/4/2006 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 224-400 | Arlington Heights | 11/11/2010 |
| 224-401 | Algonquin | 1/15/2013 |
| 224-402 | Elgin | 4/19/2002 |
| 224-403 | Wilmette | 8/12/2021 |
| 224-404 | Elk Grove | 1/15/2013 |
| 224-405 | Northbrook | 2/7/2002 |
| 224-406 | Northbrook | 8/8/2005 |
| 224-407 | Elgin | 2/19/2013 |
| 224-408 | Wilmette | 4/30/2013 |
| 224-409 | Arlington Heights | 5/24/2013 |
| 224-410 | Algonquin | 5/24/2013 |
| 224-412 | Northbrook | 7/18/2013 |
| 224-413 | Waukegan | 7/9/2013 |
| 224-414 | Bensenville | 10/31/2016 |
| 224-415 | Northbrook | 7/9/2013 |
| 224-416 | Waukegan | 8/31/2021 |
| 224-417 | Evanston | 9/10/2021 |
| 224-418 | Elk Grove | 9/22/2021 |
| 224-419 | Waukegan | 6/30/2010 |
| 224-420 | Evanston | 9/14/2001 |
| 224-421 | Arlington Heights | 11/11/2016 |
| 224-422 | Des Plaines | 10/13/2006 |
| 224-423 | Des Plaines | 3/25/2014 |
| 224-424 | Libertyville | 8/1/2013 |
| 224-425 | Arlington Heights | 7/10/2007 |
| 224-426 | Fox Lake | 11/29/2016 |
| 224-427 | Barrington | 4/18/2013 |
| 224-428 | Algonquin | 11/11/2016 |
| 224-429 | Grayslake | 9/23/2021 |
| 224-430 | Waukegan | 1/22/2002 |
| 224-431 | Arlington Heights | 10/11/2021 |
| 224-432 | Glenview | 7/9/2013 |
| 224-433 | Libertyville | 4/25/2006 |
| 224-434 | Wheeling | 10/8/2014 |
| 224-435 | Glenview | 11/7/2014 |
| 224-436 | Lake Forest | 6/7/2002 |
| 224-437 | Wheeling | 10/19/2021 |
| 224-438 | Lake Zurich | 10/25/2021 |
| 224-439 | Waukegan | 11/17/2021 |
| 224-440 | Waukegan | 10/28/2008 |
| 224-441 | Waukegan | 10/28/2008 |
| 224-442 | Franklin Park | 4/25/2014 |
| 224-443 | Des Plaines | 9/29/2014 |
| 224-444 | Lake Villa | N/A |
| 224-445 | Antioch | 6/1/2021 |
| 224-446 | Des Plaines | 5/11/2022 |
| 224-447 | Waukegan | 10/7/2021 |
| 224-448 | Barrington | 12/23/2021 |
| 224-449 | Elgin | 9/22/2021 |
| 224-450 | Algonquin | 1/7/2022 |
| 224-451 | Barrington | 6/22/2020 |
| 224-452 | Palatine | 5/4/2021 |
| 224-453 | Deerfield | 1/31/2022 |
| 224-454 | Elgin | 2/22/2022 |
| 224-455 | Waukegan | 10/27/2021 |
| 224-456 | Northbrook | 4/27/2006 |
| 224-457 | Elgin | 2/25/2022 |
| 224-458 | Northbrook | 12/22/2014 |
| 224-459 | Libertyville | 3/22/2022 |
| 224-460 | Arlington Heights | 4/1/2022 |
| 224-461 | Deerfield | 5/11/2022 |
| 224-462 | Algonquin | 5/27/2022 |
| 224-463 | Glenview | 6/9/2022 |
| 224-464 | Wheeling | 6/10/2022 |
| 224-465 | Arlington Heights | 4/24/2007 |
| 224-466 | Northbrook | 10/27/2021 |
| 224-467 | Northbrook | 6/22/2022 |
| 224-468 | Highland Park | 6/27/2022 |
| 224-469 | Waukegan | 5/22/2015 |
| 224-470 | Skokie | 9/16/2014 |
| 224-471 | Des Plaines | 7/28/2022 |
| 224-472 | Winnetka | 5/4/2021 |
| 224-473 | Round Lake | 1/28/2002 |
| 224-474 | Des Plaines | 8/5/2022 |
| 224-475 | Mundelein | 6/7/2007 |
| 224-476 | Des Plaines | 8/9/2022 |
| 224-477 | Des Plaines | 1/20/2017 |
| 224-478 | Des Plaines | 10/1/2014 |
| 224-479 | Northbrook | 10/24/2014 |
| 224-480 | Waukegan | 10/24/2014 |
| 224-481 | Wheeling | 8/9/2022 |
| 224-482 | Deerfield | 8/24/2022 |
| 224-483 | Elgin | 9/2/2022 |
| 224-484 | Dundee | 5/12/2006 |
| 224-485 | Barrington | 9/21/2022 |
| 224-486 | Arlington Heights | 9/26/2022 |
| 224-487 | Cary | 2/24/2016 |
| 224-488 | Glenview | 10/11/2019 |
| 224-489 | Barrington | 6/10/2002 |
| 224-490 | Arlington Heights | 10/3/2022 |
| 224-491 | Glenview | 10/12/2022 |
| 224-492 | Northbrook | 01/10/2023 |
| 224-493 | Elgin | 03/01/2023 |
| 224-494 | Dundee | 03/08/2023 |
| 224-495 | Northbrook | 04/25/2023 |
| 224-496 | Skokie | 06/26/2023 |
| 224-497 | Elgin | 07/11/2023 |
| 224-498 | Antioch | 08/08/2023 |
| 224-499 | Arlington Heights | 7/10/2020 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 224-500 | Des Plaines | 1/12/2011 |
| 224-501 | Northbrook | 8/7/2012 |
| 224-502 | Round Lake | 08/16/2023 |
| 224-503 | Northbrook | 10/24/2014 |
| 224-504 | Libertyville | 11/14/2014 |
| 224-505 | Winnetka | 12/17/2014 |
| 224-506 | Des Plaines | 09/18/2023 |
| 224-507 | Deerfield | 12/19/2014 |
| 224-508 | Elgin | 7/21/2014 |
| 224-509 | Algonquin | 1/5/2015 |
| 224-510 | Wheeling | 1/20/2015 |
| 224-512 | Barrington | 1/17/2002 |
| 224-513 | Libertyville | 4/3/2006 |
| 224-514 | Algonquin | 09/19/2023 |
| 224-515 | Deerfield | 3/18/2005 |
| 224-516 | Lake Forest | 1/8/2015 |
| 224-517 | Barrington | 2/20/2015 |
| 224-518 | Arlington Heights | 1/21/2015 |
| 224-519 | Des Plaines | 09/27/2023 |
| 224-520 | Roselle | 1/17/2002 |
| 224-521 | Glenview | 7/29/2002 |
| 224-522 | Northbrook | 10/18/2002 |
| 224-523 | Elgin | 10/6/2008 |
| 224-524 | Roselle | 10/03/2023 |
| 224-525 | Northbrook | 10/13/2023 |
| 224-526 | Arlington Heights | 9/23/2020 |
| 224-527 | Elk Grove | 10/18/2023 |
| 224-528 | Roselle | 10/18/2023 |
| 224-529 | Glenview | 3/20/2017 |
| 224-530 | Plato Center | 3/24/2015 |
| 224-531 | Des Plaines | 4/6/2009 |
| 224-532 | Wheeling | 9/28/2007 |
| 224-533 | Deerfield | 4/11/2006 |
| 224-534 | Skokie | 6/18/2007 |
| 224-535 | Elgin | 2/24/2005 |
| 224-536 | Skokie | 1/13/2022 |
| 224-537 | Des Plaines | 01/05/2024 |
| 224-538 | Waukegan | 3/28/2005 |
| 224-539 | Palatine | 5/2/2016 |
| 224-540 | Round Lake | 10/23/2015 |
| 224-541 | Grayslake | 10/24/2011 |
| 224-542 | Wheeling | 5/13/2008 |
| 224-543 | Half Day | 3/11/2005 |
| 224-544 | Lake Forest | 3/28/2007 |
| 224-545 | Northbrook | 11/8/2007 |
| 224-546 | Palatine | 1/13/2022 |
| 224-547 | Evanston | 01/05/2024 |
| 224-548 | Northbrook | 9/29/2007 |
| 224-549 | Dundee | 01/05/2024 |
| 224-550 | Elk Grove | 3/30/2021 |
| 224-551 | Deerfield | 8/26/2016 |
| 224-552 | Lake Forest | 9/12/2006 |
| 224-553 | Elk Grove | 01/05/2024 |
| 224-554 | Deerfield | 5/19/2006 |
| 224-556 | Algonquin | 01/08/2024 |
| 224-557 | Palatine | 01/09/2024 |
| 224-558 | Arlington Heights | 6/5/2002 |
| 224-559 | Northbrook | 01/10/2024 |
| 224-560 | Libertyville | 01/10/2024 |
| 224-561 | Palatine | 01/10/2024 |
| 224-562 | Arlington Heights | 01/24/2024 |
| 224-563 | Des Plaines | 2/7/2008 |
| 224-564 | Elk Grove | 06/29/2023 |
| 224-565 | Northbrook | 8/21/2007 |
| 224-566 | Algonquin | 9/18/2020 |
| 224-567 | Des Plaines | 4/19/2006 |
| 224-568 | Half Day | N/A |
| 224-569 | Huntley | 2/20/2002 |
| 224-570 | Waukegan | 12/13/2016 |
| 224-571 | Northbrook | 9/16/2015 |
| 224-572 | Waukegan | 8/21/2008 |
| 224-573 | Elgin | 01/24/2024 |
| 224-574 | Skokie | 01/24/2024 |
| 224-575 | Elgin | 10/17/2016 |
| 224-576 | Waukegan | 01/24/2024 |
| 224-577 | Round Lake | 1/17/2002 |
| 224-578 | Palatine | 11/13/2001 |
| 224-579 | Huntley | 02/01/2024 |
| 224-580 | Des Plaines | 10/17/2016 |
| 224-581 | Hampshire | 02/02/2024 |
| 224-582 | Lake Villa | 02/02/2024 |
| 224-583 | Franklin Park | 02/02/2024 |
| 224-584 | Wheeling | 02/02/2024 |
| 224-585 | Park Ridge | 12/29/2005 |
| 224-586 | Northbrook | 02/05/2024 |
| 224-587 | Arlington Heights | 11/29/2006 |
| 224-588 | Wheeling | 2/21/2002 |
| 224-589 | Deerfield | 02/20/2024 |
| 224-590 | Highland Park | 02/20/2024 |
| 224-591 | Bensenvl | 03/07/2024 |
| 224-592 | Skokie | 1/6/2009 |
| 224-593 | Glenview | 03/07/2024 |
| 224-594 | Barrington | 03/07/2024 |
| 224-595 | Arlington Heights | 7/15/2002 |
| 224-596 | Mundelein | 03/07/2024 |
| 224-597 | Lake Zurich | 03/11/2024 |
| 224-598 | Des Plaines | 03/12/2024 |
| 224-599 | Barrington | 7/10/2020 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 224-600 | Algonquin | 2/10/2011 |
| 224-601 | Skokie | 9/6/2012 |
| 224-602 | Mundelein | 11/10/2016 |
| 224-603 | Antioch | 6/29/2005 |
| 224-604 | Elgin | 03/12/2024 |
| 224-605 | Elgin | 12/12/2016 |
| 224-606 | Wauconda | 03/13/2024 |
| 224-607 | Arlington Heights | 12/12/2016 |
| 224-608 | Northbrook | 04/30/2024 |
| 224-609 | Algonquin | 05/08/2024 |
| 224-610 | Waukegan | 2/2/2005 |
| 224-612 | Des Plaines | 7/27/2004 |
| 224-613 | Algonquin | 06/25/2024 |
| 224-614 | Arlington Heights | 08/21/2024 |
| 224-615 | Arlington Heights | 08/22/2024 |
| 224-616 | Glenview | 12/6/2005 |
| 224-617 | Algonquin | 08/29/2024 |
| 224-618 | Algonquin | 09/24/2024 |
| 224-619 | Deerfield | 11/13/2001 |
| 224-620 | Northbrook | 09/24/2024 |
| 224-621 | Waukegan | 10/22/2024 |
| 224-622 | Barrington | 3/28/2002 |
| 224-623 | Algonquin | 11/13/2001 |
| 224-624 | Arlington Heights | 10/24/2024 |
| 224-625 | Arlington Heights | 2/25/2002 |
| 224-626 | Northbrook | 12/09/2024 |
| 224-627 | Waukegan | 4/30/2002 |
| 224-628 | Northbrook | 7/30/2002 |
| 224-629 | Elgin | 10/18/2001 |
| 224-630 | Elgin | 12/09/2024 |
| 224-631 | Arlington Heights | 01/07/2025 |
| 224-632 | Deerfield | 9/23/2002 |
| 224-633 | Barrington | 2/28/2005 |
| 224-634 | Barrington | 4/28/2009 |
| 224-635 | Elk Grove | 1/30/2009 |
| 224-636 | Northbrook | 4/22/2005 |
| 224-637 | Waukegan | 9/12/2007 |
| 224-638 | Algonquin | 01/07/2025 |
| 224-639 | Northbrook | 7/21/2004 |
| 224-640 | Fox Lake | 02/05/2025 |
| 224-642 | Elgin | 2/25/2022 |
| 224-643 | Lake Villa | 6/27/2002 |
| 224-645 | Northbrook | 6/5/2007 |
| 224-649 | Northbrook | 6/25/2008 |
| 224-650 | Huntley | 10/28/2008 |
| 224-651 | Des Plaines | 11/23/2015 |
| 224-653 | Roselle | 5/20/2002 |
| 224-654 | Huntley | 5/30/2006 |
| 224-655 | Barrington | 12/30/2005 |
| 224-656 | Waukegan | 9/26/2006 |
| 224-659 | Elk Grove | 8/13/2002 |
| 224-660 | Glenview | 3/30/2021 |
| 224-661 | Glenview | 4/2/2014 |
| 224-662 | Lake Zurich | 4/2/2014 |
| 224-665 | Waukegan | 5/8/2014 |
| 224-666 | Arlington Heights | 3/6/2019 |
| 224-667 | Waukegan | 12/31/2013 |
| 224-668 | Waukegan | 12/31/2013 |
| 224-676 | Wheeling | 9/15/2006 |
| 224-677 | Lake Zurich | N/A |
| 224-678 | Algonquin | 6/19/2006 |
| 224-688 | Northbrook | 5/18/2006 |
| 224-689 | Elgin | 7/14/2020 |
| 224-698 | Roselle | 9/24/2002 |
| 224-699 | Dundee | 5/12/2006 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 224-701 | Lake Villa | 12/24/2013 |
| 224-702 | Zion | 12/24/2013 |
| 224-703 | Algonquin | 11/12/2013 |
| 224-704 | Algonquin | 11/15/2013 |
| 224-706 | Lake Forest | 1/23/2014 |
| 224-707 | Highland Park | 1/27/2014 |
| 224-713 | Algonquin | 6/11/2014 |
| 224-714 | Evanston | 10/27/2014 |
| 224-715 | Libertyville | 6/19/2002 |
| 224-716 | Algonquin | 2/20/2015 |
| 224-717 | Zion | 10/18/2002 |
| 224-722 | Elk Grove | 7/13/2020 |
| 224-723 | Northbrook | 12/21/2006 |
| 224-724 | Skokie | 4/20/2016 |
| 224-725 | Des Plaines | 9/16/2008 |
| 224-727 | Deerfield | 11/6/2014 |
| 224-730 | Zion | 8/30/2002 |
| 224-732 | Wauconda | 6/18/2014 |
| 224-733 | Waukegan | 3/3/2011 |
| 224-735 | Arlington Heights | 1/18/2006 |
| 224-737 | Half Day | 10/2/2009 |
| 224-742 | Half Day | 1/13/2022 |
| 224-744 | Franklin Park | 7/14/2020 |
| 224-747 | Hampshire | 3/24/2016 |
| 224-754 | Highland Park | 6/21/2016 |
| 224-757 | Round Lake | 2/28/2005 |
| 224-758 | Elk Grove | 10/17/2019 |
| 224-760 | Elgin | 8/26/2014 |
| 224-762 | Elgin | 7/18/2016 |
| 224-763 | Northbrook | 7/21/2016 |
| 224-764 | Arlington Heights | 7/12/2007 |
| 224-765 | Highland Park | N/A |
| 224-766 | Glenview | 11/13/2001 |
| 224-768 | Lake Forest | 1/6/2022 |
| 224-769 | Elgin | 7/21/2016 |
| 224-770 | Barrington | 12/6/2005 |
| 224-772 | Waukegan | 9/23/2002 |
| 224-774 | Zion | 1/28/2014 |
| 224-775 | Des Plaines | 2/17/2016 |
| 224-777 | Hampshire | 11/3/2009 |
| 224-778 | Mundelein | 3/11/2005 |
| 224-781 | Franklin Park | 3/30/2016 |
| 224-783 | Elgin | 4/28/2009 |
| 224-786 | Highland Park | 8/6/2020 |
| 224-788 | Antioch | 10/9/2006 |
| 224-789 | Zion | 9/20/2006 |
| 224-795 | Arlington Heights | 9/28/2007 |
| 224-799 | Northbrook | 11/27/2020 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 224-800 | Arlington Heights | 3/3/2011 |
| 224-801 | Palatine | 6/7/2013 |
| 224-802 | Dundee | 6/7/2013 |
| 224-803 | Northbrook | 1/23/2012 |
| 224-804 | Deerfield | 6/12/2013 |
| 224-805 | Arlington Heights | 10/18/2002 |
| 224-806 | Elgin | 6/13/2013 |
| 224-808 | Northbrook | 6/19/2015 |
| 224-809 | Des Plaines | 10/7/2021 |
| 224-813 | Deerfield | 6/4/2013 |
| 224-814 | Round Lake | 9/20/2013 |
| 224-817 | Algonquin | 6/11/2014 |
| 224-818 | Round Lake | 7/16/2014 |
| 224-822 | Arlington Heights | 1/4/2021 |
| 224-828 | Elgin | 7/15/2009 |
| 224-829 | Algonquin | 1/9/2009 |
| 224-830 | Arlington Heights | 7/25/2014 |
| 224-833 | Elgin | 10/27/2021 |
| 224-836 | Palatine | 2/26/2002 |
| 224-837 | Glencoe | 2/23/2022 |
| 224-840 | Elgin | 3/30/2021 |
| 224-842 | Libertyville | 10/11/2019 |
| 224-844 | Arlington Heights | 10/27/2021 |
| 224-848 | Barrington | 6/30/2005 |
| 224-850 | Cary | 3/30/2021 |
| 224-855 | Arlington Heights | 10/7/2009 |
| 224-856 | Elgin | 12/21/2006 |
| 224-857 | Arlington Heights | 6/23/2015 |
| 224-858 | Huntley | 11/14/2006 |
| 224-864 | Mundelein | 4/10/2013 |
| 224-866 | Des Plaines | 10/25/2021 |
| 224-875 | Elk Grove | 9/25/2002 |
| 224-877 | Elk Grove | 2/2/2016 |
| 224-880 | Lake Forest | 5/23/2011 |
| 224-888 | Cary | 8/3/2010 |
| 224-899 | Wheeling | 7/14/2020 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 224-900 | Wheeling | 3/22/2011 |
| 224-901 | Pistakee Highlands | 4/10/2013 |
| 224-904 | Northbrook | 3/24/2016 |
| 224-908 | Fox Lake | 3/6/2015 |
| 224-922 | Glencoe | 7/14/2020 |
| 224-927 | Northbrook | 9/26/2006 |
| 224-931 | Mundelein | 8/17/2015 |
| 224-933 | Round Lake | 10/10/2019 |
| 224-935 | Skokie | 6/4/2009 |
| 224-938 | Des Plaines | N/A |
| 224-940 | Deerfield | 1/28/2002 |
| 224-944 | Waukegan | 7/13/2006 |
| 224-946 | Waukegan | 6/8/2020 |
| 224-948 | Deerfield | 11/28/2001 |
| 224-955 | Roselle | 7/14/2020 |
| 224-966 | Pistakee Highlands | 8/6/2020 |
| 224-970 | Bartlett | 2/13/2015 |
| 224-977 | Northbrook | 10/10/2019 |
| 224-985 | Park Ridge | 8/28/2015 |
| 224-990 | Plato Center | 6/19/2006 |
| 224-993 | Wauconda | 3/11/2005 |
| 224-998 | Skokie | 12/9/2015 |
| 224-999 | Evanston | 9/22/2010 |
- 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 224
| City1 | County | Time Zone2 |
|---|---|---|
| Algonquin | McHenry | C |
| Antioch | Lake | C |
| Arlington Heights | Cook | C |
| Barrington | Lake | C |
| Buffalo Grove | Lake | C |
| Burlington | Kane | C |
| Carpentersville | Kane | C |
| Cary | McHenry | C |
| Deerfield | Lake | C |
| Des Plaines | Cook | C |
| Dundee | Kane | C |
| Elgin | Kane | C |
| Elk Grove Village | Cook | C |
| Evanston | Cook | C |
| Fort Sheridan | Lake | C |
| Fox Lake | Lake | C |
| Fox River Grove | McHenry | C |
| Franklin Park | Cook | C |
| Gilberts | Kane | C |
| Glencoe | Cook | C |
| Glenview | Cook | C |
| Golf | Cook | C |
| Grandwood Park | Lake | C |
| Grayslake | Lake | C |
| Great Lakes | Lake | C |
| Gurnee | Lake | C |
| Hampshire | Kane | C |
| Highland Park | Lake | C |
| Highwood | Lake | C |
| Hoffman Estates | Cook | C |
| Huntley | McHenry | C |
| Ingleside | Lake | C |
| Island Lake | Lake | C |
| Kenilworth | Cook | C |
| Knollwood | Lake | C |
| Lake Bluff | Lake | C |
| Lake Forest | Lake | C |
| Lake In The Hills | McHenry | C |
| Lake Villa | Lake | C |
| Lake Zurich | Lake | C |
| Libertyville | Lake | C |
| Lincolnshire | Lake | C |
| Lincolnwood | Cook | C |
| Long Grove | Lake | C |
| Morton Grove | Cook | C |
| Mount Prospect | Cook | C |
| Mundelein | Lake | C |
| Niles | Cook | C |
| North Chicago | Lake | C |
| Northbrook | Cook | C |
| Palatine | Cook | C |
| Park City | Lake | C |
| Park Ridge | Cook | C |
| Plato Center | Kane | C |
| Prospect Heights | Cook | C |
| Rolling Meadows | Cook | C |
| Round Lake | Lake | C |
| Russell | Lake | C |
| Schaumburg | Cook | C |
| Schiller Park | Cook | C |
| Skokie | Cook | C |
| South Elgin | Kane | C |
| Techny | Cook | C |
| Vernon Hills | Lake | C |
| Wadsworth | Lake | C |
| Wauconda | Lake | C |
| Waukegan | Lake | C |
| Wheeling | Cook | C |
| Wilmette | Cook | C |
| Winnetka | Cook | C |
| Winthrop Harbor | Lake | C |
| Zion | Lake | C |
- Listed above are most places served by USA area code 224. 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 ).