Area Code 337
Area code 337 is in Louisiana, USA, spanning 15 counties and serving 104 cities, including Lafayette, Lake Charles or New Iberia; it currently uses 589 prefixes, assigned from 337-200-XXXX through 337-999-XXXX.
In service date for area code 337: October 11, 1999.
The current local time is 06:45:50 AM (Central Time Zone).
© OpenStreetMap contributors
For exact boundaries see official 337 area code map
More Louisiana area codes:
Reverse phone lookup
Locate any 337-NXX prefix:
| NPANXX | Area served1 | Date2 |
|---|---|---|
| 337-200 | Basile | 3/16/2004 |
| 337-201 | New Iberia | N/A |
| 337-202 | Deridder | N/A |
| 337-203 | Lacassine | 9/7/2022 |
| 337-205 | Lafayette | N/A |
| 337-206 | Opelousas | N/A |
| 337-207 | Lafayette | N/A |
| 337-208 | Leesville | 4/4/2002 |
| 337-209 | New Iberia | N/A |
| 337-210 | Lafayette | N/A |
| 337-212 | Lafayette | N/A |
| 337-213 | Leesville | 12/19/2002 |
| 337-214 | Lake Charles | N/A |
| 337-215 | Sulphur | N/A |
| 337-216 | Lafayette | N/A |
| 337-217 | Lake Charles | N/A |
| 337-218 | Jennings | 3/12/2003 |
| 337-219 | Lake Charles | N/A |
| 337-220 | Turkey Creek | N/A |
| 337-221 | Deridder | 5/31/2013 |
| 337-222 | Dequincy | 3/19/2004 |
| 337-223 | Gueydan | 5/3/2002 |
| 337-224 | Lafayette | N/A |
| 337-225 | Kaplan | N/A |
| 337-226 | Deridder | 3/10/2011 |
| 337-227 | Church Point | 3/16/2004 |
| 337-228 | Henderson | N/A |
| 337-229 | Loreauville | N/A |
| 337-230 | Lafayette | N/A |
| 337-231 | Lafayette | N/A |
| 337-232 | Lafayette | N/A |
| 337-233 | Lafayette | N/A |
| 337-234 | Lafayette | N/A |
| 337-235 | Lafayette | N/A |
| 337-236 | Lafayette | N/A |
| 337-237 | Lafayette | N/A |
| 337-238 | Leesville | N/A |
| 337-239 | Leesville | N/A |
| 337-240 | Lake Charles | 4/4/2002 |
| 337-241 | Jeanerette | 2/13/2002 |
| 337-242 | St Martinville | 11/23/2015 |
| 337-243 | Centerville | 3/18/2016 |
| 337-244 | Lake Charles | 3/10/2005 |
| 337-245 | Sweet Lake | 7/1/2009 |
| 337-246 | Jennings | 3/14/2001 |
| 337-247 | Lafayette | 5/23/2001 |
| 337-248 | Broussard | 9/24/2001 |
| 337-249 | Sweet Lake | 3/9/2001 |
| 337-250 | Crowley | N/A |
| 337-251 | New Iberia | 3/14/2001 |
| 337-252 | Broussard | 11/8/2013 |
| 337-253 | New Iberia | N/A |
| 337-254 | Lafayette | 6/15/2001 |
| 337-255 | Lafayette | 8/23/2001 |
| 337-256 | New Iberia | 10/18/2001 |
| 337-257 | Lafayette | 6/28/2001 |
| 337-258 | Lafayette | 10/18/2001 |
| 337-259 | Lafayette | 03/10/2023 |
| 337-261 | Lafayette | N/A |
| 337-262 | Lafayette | N/A |
| 337-263 | Lake Charles | 5/15/2001 |
| 337-264 | Lafayette | N/A |
| 337-265 | Lafayette | N/A |
| 337-266 | Lafayette | N/A |
| 337-267 | Lafayette | N/A |
| 337-268 | Lafayette | N/A |
| 337-269 | Lafayette | N/A |
| 337-270 | Lafayette | 11/5/2019 |
| 337-271 | Lafayette | N/A |
| 337-272 | Lafayette | N/A |
| 337-273 | Lafayette | N/A |
| 337-274 | Lake Charles | 6/28/2001 |
| 337-275 | Jennings | 9/17/2001 |
| 337-276 | Jeanerette | N/A |
| 337-277 | Lafayette | N/A |
| 337-278 | Lafayette | N/A |
| 337-279 | Lafayette | 8/6/2001 |
| 337-280 | Lafayette | N/A |
| 337-281 | Lafayette | 2/23/2005 |
| 337-282 | Gueydan | 3/30/2017 |
| 337-283 | Abbeville | 12/5/2017 |
| 337-284 | Opelousas | 2/17/2010 |
| 337-285 | Kaplan | N/A |
| 337-286 | Leesville | N/A |
| 337-287 | Sulphur | 6/15/2001 |
| 337-288 | Lafayette | N/A |
| 337-289 | Lafayette | N/A |
| 337-290 | Opelousas | 9/17/2001 |
| 337-291 | Lafayette | N/A |
| 337-292 | Lake Charles | 11/1/2001 |
| 337-293 | Lafayette | N/A |
| 337-294 | Lafayette | N/A |
| 337-295 | Lafayette | N/A |
| 337-296 | Lafayette | 11/20/2001 |
| 337-297 | Lafayette | N/A |
| 337-298 | Lafayette | N/A |
| 337-299 | Lafayette | N/A |
| NPANXX | Area served1 | Date2 |
|---|---|---|
| 337-300 | Elton | 3/19/2004 |
| 337-301 | Elton | 3/16/2004 |
| 337-302 | Lake Charles | N/A |
| 337-303 | Lafayette | N/A |
| 337-304 | Lake Charles | 1/31/2001 |
| 337-305 | Eunice | 5/3/2002 |
| 337-306 | Rayne | 5/3/2002 |
| 337-307 | Krotz Springs | 5/3/2002 |
| 337-308 | Opelousas | 4/9/2002 |
| 337-309 | Lake Charles | 4/9/2002 |
| 337-310 | Lake Charles | N/A |
| 337-312 | Lake Charles | 6/12/2001 |
| 337-313 | Sulphur | 8/8/2003 |
| 337-314 | Lafayette | N/A |
| 337-315 | Lafayette | 10/26/2001 |
| 337-316 | Lafayette | 9/17/2001 |
| 337-317 | Dequincy | 3/16/2004 |
| 337-319 | Lafayette | N/A |
| 337-320 | Oberlin | 3/19/2004 |
| 337-321 | New Iberia | 4/4/2002 |
| 337-322 | Lafayette | 4/17/2001 |
| 337-323 | Opelousas | 10/7/2002 |
| 337-324 | Vinton | 4/19/2002 |
| 337-325 | Carencro | 4/22/2002 |
| 337-326 | Lafayette | 4/29/2002 |
| 337-327 | Crowley | 10/7/2002 |
| 337-328 | Sugartown | N/A |
| 337-329 | Jennings | 5/3/2002 |
| 337-330 | Broussard | 4/11/2001 |
| 337-331 | Opelousas | 5/3/2002 |
| 337-332 | Breaux Bridge | N/A |
| 337-333 | Rayne | 4/26/2005 |
| 337-334 | Rayne | N/A |
| 337-335 | New Iberia | 4/14/2003 |
| 337-336 | Ville Platte | 3/16/2004 |
| 337-337 | Leesville | 9/27/2022 |
| 337-338 | Welsh | 3/19/2004 |
| 337-339 | Jeanerette | 3/3/2003 |
| 337-340 | Merryville | 4/19/2002 |
| 337-342 | St Martinville | 8/20/2002 |
| 337-343 | Deridder | 12/19/2002 |
| 337-344 | Lafayette | N/A |
| 337-345 | Lafayette | 9/26/2017 |
| 337-346 | Franklin | 3/3/2003 |
| 337-347 | Lafayette | 8/22/2003 |
| 337-348 | Deridder | 12/30/2002 |
| 337-349 | Lafayette | N/A |
| 337-350 | Centerville | 1/30/2003 |
| 337-351 | Opelousas | N/A |
| 337-352 | New Iberia | 3/3/2003 |
| 337-353 | Leesville | 4/16/2003 |
| 337-354 | Lafayette | 4/23/2003 |
| 337-355 | Franklin | 4/22/2002 |
| 337-356 | Lafayette | 9/17/2003 |
| 337-357 | Weeks Island | 3/3/2003 |
| 337-358 | Iowa | 3/16/2004 |
| 337-359 | New Iberia | N/A |
| 337-360 | Ville Platte | N/A |
| 337-361 | Erath | 12/14/2017 |
| 337-362 | Lafayette | 5/21/2003 |
| 337-363 | Ville Platte | N/A |
| 337-364 | New Iberia | N/A |
| 337-365 | New Iberia | N/A |
| 337-366 | Lafayette | 6/27/2003 |
| 337-367 | New Iberia | N/A |
| 337-368 | Jennings | 8/5/2003 |
| 337-369 | New Iberia | N/A |
| 337-370 | Jennings | 1/9/2001 |
| 337-371 | Lafayette | 5/23/2003 |
| 337-372 | Merryville | 5/20/2003 |
| 337-373 | New Iberia | N/A |
| 337-374 | New Iberia | N/A |
| 337-375 | Deridder | 9/17/2003 |
| 337-376 | New Iberia | 9/17/2003 |
| 337-377 | Lake Charles | 9/17/2003 |
| 337-378 | Leesville | 9/17/2003 |
| 337-379 | Iowa | 3/19/2004 |
| 337-380 | New Iberia | N/A |
| 337-381 | Opelousas | 9/17/2003 |
| 337-382 | Abbeville | 3/8/2017 |
| 337-383 | Leesville | N/A |
| 337-384 | Crowley | 9/17/2003 |
| 337-385 | Abbeville | 9/17/2003 |
| 337-386 | Dequincy | 3/19/2004 |
| 337-387 | Welsh | 3/19/2004 |
| 337-388 | Jennings | 9/30/2009 |
| 337-389 | Oberlin | 3/19/2004 |
| 337-390 | Kinder | 3/19/2004 |
| 337-391 | Iowa | 3/19/2004 |
| 337-392 | Leesville | N/A |
| 337-393 | Rayne | 3/22/2004 |
| 337-394 | St Martinville | N/A |
| 337-395 | Lake Charles | 8/12/2004 |
| 337-396 | Deridder | 8/7/2003 |
| 337-397 | Leesville | 7/24/2002 |
| 337-398 | Crowley | 12/14/2017 |
| 337-399 | Lafayette | 3/13/2018 |
| NPANXX | Area served1 | Date2 |
|---|---|---|
| 337-400 | Abbeville | 8/20/2012 |
| 337-401 | Deridder | 7/24/2002 |
| 337-402 | Lafayette | N/A |
| 337-403 | Hayes | N/A |
| 337-404 | Leesville | N/A |
| 337-405 | Lake Charles | N/A |
| 337-406 | Lafayette | N/A |
| 337-407 | Opelousas | N/A |
| 337-408 | Lafayette | N/A |
| 337-409 | Vinton | 10/20/2004 |
| 337-410 | Turkey Creek | 3/26/2004 |
| 337-412 | Lafayette | N/A |
| 337-413 | Franklin | N/A |
| 337-414 | Breaux Bridge | 4/8/2004 |
| 337-415 | Sweet Lake | 10/20/2004 |
| 337-416 | Reeves | 3/26/2004 |
| 337-417 | Lafayette | N/A |
| 337-418 | Opelousas | N/A |
| 337-419 | Lake Charles | 10/26/2011 |
| 337-420 | Baldwin | 3/18/2016 |
| 337-421 | Lake Charles | N/A |
| 337-422 | Abbeville | 7/24/2002 |
| 337-423 | Leesville | 12/30/2002 |
| 337-424 | Leesville | 12/30/2002 |
| 337-425 | Lake Charles | 1/30/2003 |
| 337-426 | Lake Charles | 9/2/2008 |
| 337-427 | Rayne | 1/15/2008 |
| 337-428 | Jeanerette | 2/24/2009 |
| 337-429 | Lake Charles | N/A |
| 337-430 | Lake Charles | N/A |
| 337-431 | Lake Charles | N/A |
| 337-432 | Basile | N/A |
| 337-433 | Lake Charles | N/A |
| 337-434 | Henderson | N/A |
| 337-435 | Leonville | 7/9/2008 |
| 337-436 | Lake Charles | N/A |
| 337-437 | Lake Charles | N/A |
| 337-438 | Lake Charles | N/A |
| 337-439 | Lake Charles | N/A |
| 337-441 | St Martinville | 5/3/2002 |
| 337-442 | Breaux Bridge | N/A |
| 337-443 | Lafayette | 10/31/2012 |
| 337-444 | Parks | N/A |
| 337-445 | Broussard | N/A |
| 337-446 | Lafayette | 1/2/2009 |
| 337-447 | Opelousas | 7/24/2002 |
| 337-448 | Melville | 5/20/2002 |
| 337-449 | Arnaudville | N/A |
| 337-450 | Youngsville | 12/20/2017 |
| 337-451 | Youngsville | N/A |
| 337-452 | Hayes | N/A |
| 337-453 | Lafayette | 9/25/2008 |
| 337-454 | Cecelia | N/A |
| 337-455 | Breaux Bridge | 8/5/2019 |
| 337-456 | Lafayette | N/A |
| 337-457 | Eunice | N/A |
| 337-458 | Crowley | 5/3/2002 |
| 337-459 | Ville Platte | 2/18/2005 |
| 337-460 | Deridder | N/A |
| 337-461 | Turkey Creek | N/A |
| 337-462 | Deridder | N/A |
| 337-463 | Deridder | N/A |
| 337-464 | Carencro | 10/27/2005 |
| 337-465 | New Iberia | 7/24/2002 |
| 337-466 | Eunice | 12/19/2005 |
| 337-467 | Opelousas | 11/4/2009 |
| 337-468 | Mamou | N/A |
| 337-469 | Carencro | 9/26/2018 |
| 337-470 | Lafayette | 7/28/2010 |
| 337-471 | Franklin | 12/29/2009 |
| 337-472 | Mamou | 8/5/2019 |
| 337-473 | Ragley | 8/5/2019 |
| 337-474 | Lake Charles | N/A |
| 337-475 | Lake Charles | N/A |
| 337-476 | Sulphur | 3/24/2010 |
| 337-477 | Lake Charles | N/A |
| 337-478 | Lake Charles | N/A |
| 337-479 | Lake Charles | N/A |
| 337-480 | Lake Charles | N/A |
| 337-481 | Starks | 8/5/2019 |
| 337-482 | Lafayette | N/A |
| 337-483 | Lafayette | 11/20/2019 |
| 337-484 | Lafayette | 6/7/2010 |
| 337-485 | Lake Charles | N/A |
| 337-486 | St Martinville | 12/16/2019 |
| 337-487 | Leesville | 3/23/2020 |
| 337-488 | Lake Charles | N/A |
| 337-489 | Lake Charles | N/A |
| 337-490 | Delcambre | N/A |
| 337-491 | Lake Charles | N/A |
| 337-492 | New Iberia | N/A |
| 337-493 | Lake Charles | N/A |
| 337-494 | Lake Charles | N/A |
| 337-495 | Deridder | N/A |
| 337-496 | Lake Charles | N/A |
| 337-497 | Lake Charles | N/A |
| 337-498 | Lake Charles | N/A |
| 337-499 | Lake Charles | N/A |
| NPANXX | Area served1 | Date2 |
|---|---|---|
| 337-500 | Lafayette | 2/11/2011 |
| 337-501 | Lafayette | N/A |
| 337-502 | Lake Charles | N/A |
| 337-503 | Sulphur | 10/27/2005 |
| 337-504 | Lafayette | N/A |
| 337-505 | Lake Charles | 4/27/2005 |
| 337-506 | Ville Platte | N/A |
| 337-507 | Breaux Bridge | N/A |
| 337-508 | Lake Charles | 3/6/2014 |
| 337-509 | Leesville | 10/8/2014 |
| 337-510 | Sunset | 7/17/2007 |
| 337-512 | Carlyss | 4/6/2020 |
| 337-513 | Lake Charles | 4/29/2002 |
| 337-514 | Crowley | 7/24/2002 |
| 337-515 | Lake Charles | N/A |
| 337-516 | Abbeville | 5/19/2014 |
| 337-517 | Abbeville | N/A |
| 337-518 | Ville Platte | 10/20/2016 |
| 337-519 | New Iberia | N/A |
| 337-520 | Carencro | 5/15/2015 |
| 337-521 | Lafayette | N/A |
| 337-522 | Abbeville | 3/3/2003 |
| 337-523 | Abbeville | N/A |
| 337-524 | Lafayette | N/A |
| 337-525 | Dequincy | 4/6/2020 |
| 337-526 | Lake Charles | N/A |
| 337-527 | Sulphur | N/A |
| 337-528 | Sulphur | N/A |
| 337-529 | Lake Charles | N/A |
| 337-531 | Leesville | N/A |
| 337-532 | Lake Charles | N/A |
| 337-533 | Sulphur | N/A |
| 337-534 | Lafayette | 4/18/2008 |
| 337-535 | Leesville | N/A |
| 337-536 | Gueydan | N/A |
| 337-537 | Leesville | N/A |
| 337-538 | Grand Chenier | N/A |
| 337-539 | Gueydan | N/A |
| 337-540 | Lake Charles | N/A |
| 337-541 | Lafayette | 6/11/2014 |
| 337-542 | Creole | N/A |
| 337-543 | Lawtell | N/A |
| 337-544 | Sugartown | 9/13/2005 |
| 337-545 | Centerville | 9/1/2020 |
| 337-546 | Eunice | N/A |
| 337-547 | New Iberia | 1/29/2021 |
| 337-548 | Lakearthur | 1/10/2007 |
| 337-549 | Lake Charles | 3/28/2019 |
| 337-550 | Eunice | N/A |
| 337-551 | New Iberia | 4/30/2008 |
| 337-552 | Broussard | 4/19/2006 |
| 337-553 | Gueydan | 2/10/2021 |
| 337-554 | Lafayette | 4/1/2021 |
| 337-556 | Church Point | 6/4/2021 |
| 337-557 | Lafayette | 8/12/2021 |
| 337-558 | Carlyss | N/A |
| 337-559 | Sweet Lake | 7/5/2006 |
| 337-560 | New Iberia | N/A |
| 337-561 | Duson | 3/1/2016 |
| 337-562 | Lake Charles | N/A |
| 337-563 | Carlyss | 9/2/2005 |
| 337-564 | Lake Charles | N/A |
| 337-565 | Carencro | N/A |
| 337-566 | Krotz Springs | N/A |
| 337-567 | Breaux Bridge | 10/19/2021 |
| 337-568 | Lafayette | 3/30/2022 |
| 337-569 | Johnsons Bayou | N/A |
| 337-570 | Lake Charles | N/A |
| 337-571 | Lafayette | 10/7/2015 |
| 337-572 | Lafayette | N/A |
| 337-573 | Youngsville | 2/7/2011 |
| 337-574 | De Ridder | 2/24/2022 |
| 337-575 | Vinton | 07/20/2023 |
| 337-576 | Eunice | 08/11/2023 |
| 337-577 | New Iberia | N/A |
| 337-578 | Baldwin | N/A |
| 337-579 | Jeanerette | N/A |
| 337-580 | Eunice | N/A |
| 337-581 | Crowley | N/A |
| 337-582 | Iowa | N/A |
| 337-583 | Carlyss | N/A |
| 337-584 | Elton | N/A |
| 337-585 | Port Barre | N/A |
| 337-586 | Weeks Island | 1/27/2022 |
| 337-587 | Thornwell | N/A |
| 337-588 | Lacassine | N/A |
| 337-589 | Vinton | N/A |
| 337-590 | Abbeville | 08/11/2023 |
| 337-591 | Lafayette | 2/20/2007 |
| 337-592 | Krotz Springs | N/A |
| 337-593 | Lafayette | N/A |
| 337-594 | Opelousas | N/A |
| 337-595 | Abbeville | 6/15/2021 |
| 337-596 | Lake Charles | N/A |
| 337-597 | Basile | 08/22/2023 |
| 337-598 | Sweet Lake | N/A |
| 337-599 | Pine Prairie | N/A |
| NPANXX | Area served1 | Date2 |
|---|---|---|
| 337-600 | Abbeville | 9/15/2015 |
| 337-601 | Henderson | 08/22/2023 |
| 337-602 | Lake Charles | 11/15/2013 |
| 337-603 | Eunice | 1/22/2015 |
| 337-604 | Cecelia | 08/22/2023 |
| 337-605 | Cameron | 8/12/2005 |
| 337-606 | New Iberia | N/A |
| 337-607 | Sulphur | 1/15/2016 |
| 337-608 | New Iberia | N/A |
| 337-609 | Lafayette | 2/22/2016 |
| 337-610 | Iowa | 09/07/2023 |
| 337-612 | Iota | 6/29/2016 |
| 337-613 | Melville | 09/07/2023 |
| 337-614 | Cankton | 6/29/2016 |
| 337-615 | Ragley | 09/07/2023 |
| 337-616 | Jennings | N/A |
| 337-617 | Merryville | 11/18/2022 |
| 337-618 | Breaux Bridge | 10/05/2023 |
| 337-622 | Hayes | N/A |
| 337-623 | Melville | N/A |
| 337-625 | Sulphur | N/A |
| 337-626 | Sulphur | N/A |
| 337-627 | Breaux Bridge | 2/7/2022 |
| 337-628 | Washington | 10/23/2006 |
| 337-630 | Cameron | 9/2/2005 |
| 337-634 | Lake Charles | 04/07/2023 |
| 337-636 | Jeanerette | 4/24/2006 |
| 337-637 | Rayne | 11/18/2022 |
| 337-639 | Oberlin | N/A |
| 337-642 | Forked Island | N/A |
| 337-643 | Kaplan | N/A |
| 337-645 | Johnsons Bayou | 05/31/2023 |
| 337-651 | Crowley | 12/15/2023 |
| 337-652 | Kaplan | N/A |
| 337-653 | Leesville | N/A |
| 337-654 | Lafayette | N/A |
| 337-655 | Ville Platte | 5/22/2006 |
| 337-656 | Lake Charles | N/A |
| 337-658 | Lafayette | N/A |
| 337-660 | Lake Charles | N/A |
| 337-661 | Lake Charles | N/A |
| 337-662 | Sunset | N/A |
| 337-666 | Reeves | N/A |
| 337-667 | Cecelia | N/A |
| 337-668 | Cankton | N/A |
| 337-674 | Sulphur | 1/27/2022 |
| 337-677 | Lake Charles | 9/5/2019 |
| 337-678 | Opelousas | 10/5/2006 |
| 337-680 | St Martinville | 4/29/2002 |
| 337-684 | Church Point | N/A |
| 337-685 | Delcambre | N/A |
| 337-688 | Lake Charles | 12/13/2019 |
| 337-692 | Opelousas | N/A |
| 337-693 | Lafayette | N/A |
| NPANXX | Area served1 | Date2 |
|---|---|---|
| 337-701 | Eunice | 4/28/2005 |
| 337-702 | Lakearthur | 4/28/2005 |
| 337-703 | Lafayette | 6/23/2016 |
| 337-704 | Lafayette | N/A |
| 337-706 | Lafayette | N/A |
| 337-707 | Lake Charles | 7/20/2009 |
| 337-708 | Lake Charles | N/A |
| 337-713 | Lafayette | N/A |
| 337-714 | Broussard | N/A |
| 337-717 | Crowley | N/A |
| 337-718 | Leesville | N/A |
| 337-721 | Lake Charles | N/A |
| 337-722 | Lake Charles | 1/28/2022 |
| 337-724 | Chataignier | 12/19/2006 |
| 337-725 | Ragley | N/A |
| 337-727 | Pine Prairie | 1/27/2022 |
| 337-730 | Opelousas | 06/30/2023 |
| 337-733 | Lafayette | N/A |
| 337-734 | Welsh | N/A |
| 337-735 | Lafayette | N/A |
| 337-737 | Pecan Island | N/A |
| 337-738 | Kinder | N/A |
| 337-739 | Lafayette | N/A |
| 337-740 | Abbeville | N/A |
| 337-742 | Baldwin | 2/22/2022 |
| 337-743 | Starks | N/A |
| 337-746 | Carlyss | 1/27/2022 |
| 337-748 | Washington | 2/24/2022 |
| 337-749 | Reeves | 10/30/2007 |
| 337-753 | Roanoke | N/A |
| 337-754 | Arnaudville | N/A |
| 337-756 | Fenton | N/A |
| 337-761 | Lafayette | N/A |
| 337-762 | Hackberry | N/A |
| 337-764 | Lake Charles | N/A |
| 337-766 | Lawtell | N/A |
| 337-767 | Crowley | 1/27/2022 |
| 337-768 | Roanoke | 2/22/2022 |
| 337-769 | Lafayette | N/A |
| 337-770 | Lafayette | 4/19/2022 |
| 337-771 | Parks | 06/30/2023 |
| 337-772 | Abbeville | N/A |
| 337-773 | Broussard | 06/27/2023 |
| 337-774 | Lakearthur | N/A |
| 337-775 | Cameron | N/A |
| 337-777 | Port Barre | 1/4/2011 |
| 337-779 | Iota | N/A |
| 337-780 | Lafayette | 10/26/2001 |
| 337-781 | Lafayette | N/A |
| 337-782 | Crowley | N/A |
| 337-783 | Crowley | N/A |
| 337-784 | Crowley | N/A |
| 337-785 | Crowley | N/A |
| 337-786 | Dequincy | N/A |
| 337-787 | Lafayette | N/A |
| 337-788 | Crowley | N/A |
| 337-789 | Lafayette | N/A |
| 337-793 | Opelousas | 8/3/2005 |
| 337-794 | Lake Charles | N/A |
| 337-796 | Hackberry | 9/2/2005 |
| 337-799 | Lafayette | 6/29/2022 |
| NPANXX | Area served1 | Date2 |
|---|---|---|
| 337-800 | Abbeville | 2/24/2015 |
| 337-802 | Lake Charles | N/A |
| 337-803 | Duson | 4/26/2005 |
| 337-804 | Lafayette | N/A |
| 337-806 | Lafayette | 4/25/2005 |
| 337-809 | Franklin | 4/26/2005 |
| 337-821 | Jennings | N/A |
| 337-824 | Jennings | N/A |
| 337-825 | Merryville | N/A |
| 337-826 | Washington | N/A |
| 337-828 | Franklin | N/A |
| 337-829 | Franklin | N/A |
| 337-830 | Gueydan | N/A |
| 337-831 | Ville Platte | N/A |
| 337-832 | St Martinville | 1/31/2022 |
| 337-836 | Centerville | N/A |
| 337-837 | Broussard | N/A |
| 337-839 | Broussard | N/A |
| 337-841 | Lawtell | 10/23/2006 |
| 337-842 | Lake Charles | N/A |
| 337-845 | Parks | N/A |
| 337-846 | Jeanerette | 1/27/2022 |
| 337-847 | Arnaudville | 12/19/2006 |
| 337-848 | Sunset | 2/22/2022 |
| 337-849 | Lafayette | N/A |
| 337-851 | Lafayette | N/A |
| 337-852 | Lafayette | 2/9/2005 |
| 337-853 | Lake Charles | N/A |
| 337-855 | Lake Charles | N/A |
| 337-856 | Youngsville | N/A |
| 337-857 | Youngsville | N/A |
| 337-858 | Youngsville | 5/4/2005 |
| 337-867 | Weeks Island | N/A |
| 337-873 | Duson | N/A |
| 337-877 | Vinton | 5/20/2019 |
| 337-879 | Leonville | N/A |
| 337-882 | Lake Charles | N/A |
| 337-884 | Lake Charles | N/A |
| 337-885 | Chataignier | N/A |
| 337-886 | Carencro | N/A |
| 337-888 | Sulphur | N/A |
| 337-889 | Lafayette | 5/15/2007 |
| 337-892 | Abbeville | N/A |
| 337-893 | Abbeville | N/A |
| 337-895 | Lafayette | 12/7/2021 |
| 337-896 | Carencro | N/A |
| 337-898 | Abbeville | N/A |
| NPANXX | Area served1 | Date2 |
|---|---|---|
| 337-900 | Sulphur | 3/20/2015 |
| 337-901 | Lafayette | 4/14/2021 |
| 337-904 | Loreauville | 4/26/2005 |
| 337-905 | Lake Charles | 8/6/2004 |
| 337-907 | Franklin | N/A |
| 337-909 | Breaux Bridge | 6/15/2007 |
| 337-912 | Lake Charles | N/A |
| 337-915 | Carencro | 4/26/2005 |
| 337-917 | Erath | 4/26/2005 |
| 337-918 | Erath | N/A |
| 337-920 | Lafayette | N/A |
| 337-923 | Baldwin | N/A |
| 337-924 | Baldwin | N/A |
| 337-930 | Welsh | 3/16/2004 |
| 337-935 | Duson | N/A |
| 337-936 | Lake Charles | 5/15/2007 |
| 337-937 | Erath | N/A |
| 337-940 | Baldwin | 2/9/2005 |
| 337-942 | Opelousas | N/A |
| 337-943 | Opelousas | N/A |
| 337-944 | Loreauville | N/A |
| 337-945 | Opelousas | N/A |
| 337-946 | Centerville | 12/15/2023 |
| 337-948 | Opelousas | N/A |
| 337-962 | Lafayette | N/A |
| 337-965 | Carlyss | 8/12/2005 |
| 337-967 | New Iberia | N/A |
| 337-977 | Oberlin | 3/16/2004 |
| 337-981 | Lafayette | N/A |
| 337-983 | Lafayette | N/A |
| 337-984 | Lafayette | N/A |
| 337-988 | Lafayette | N/A |
| 337-989 | Lafayette | N/A |
| 337-990 | Lake Charles | 6/12/2001 |
| 337-991 | Lafayette | N/A |
| 337-993 | Lafayette | N/A |
| 337-998 | Kinder | 3/16/2004 |
| 337-999 | Broussard | N/A |
- 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.
Cities in area code 337
| City1 | Parish | Time2 |
|---|---|---|
| Abbeville | Vermilion | C |
| Anacoco | Vernon | C |
| Arnaudville | St Landry | C |
| Avery Island | Iberia | C |
| Baldwin | St Mary | C |
| Basile | Evangeline | C |
| Bell City | Calcasieu | C |
| Branch | Acadia | C |
| Breaux Bridge | St Martin | C |
| Broussard | Lafayette | C |
| Cade | St Martin | C |
| Cameron | Cameron | C |
| Carencro | Lafayette | C |
| Cecilia | St Martin | C |
| Centerville | St Mary | C |
| Charenton | St Mary | C |
| Chataignier | Evangeline | C |
| Church Point | Acadia | C |
| Creole | Cameron | C |
| Crowley | Acadia | C |
| Delcambre | Vermilion | C |
| Dequincy | Calcasieu | C |
| Deridder | Beauregard | C |
| Dry Creek | Beauregard | C |
| Duson | Lafayette | C |
| Egan | Acadia | C |
| Elton | Jefferson Davis | C |
| Erath | Vermilion | C |
| Estherwood | Acadia | C |
| Eunice | St Landry | C |
| Evangeline | Acadia | C |
| Evans | Vernon | C |
| Fenton | Jefferson Davis | C |
| Fort Polk | Vernon | C |
| Franklin | St Mary | C |
| Garden City | St Mary | C |
| Grand Chenier | Cameron | C |
| Grand Coteau | St Landry | C |
| Grant | Allen | C |
| Gueydan | Vermilion | C |
| Hackberry | Cameron | C |
| Hayes | Calcasieu | C |
| Hornbeck | Vernon | C |
| Iota | Acadia | C |
| Iowa | Calcasieu | C |
| Jeanerette | Iberia | C |
| Jennings | Jefferson Davis | C |
| Kaplan | Vermilion | C |
| Kinder | Allen | C |
| Krotz Springs | St Landry | C |
| Kurthwood | Vernon | C |
| Lacassine | Jefferson Davis | C |
| Lafayette | Lafayette | C |
| Lake Arthur | Jefferson Davis | C |
| Lake Charles | Calcasieu | C |
| Lawtell | St Landry | C |
| Lebeau | St Landry | C |
| Leblanc | Allen | C |
| Leesville | Vernon | C |
| Leonville | St Landry | C |
| Longville | Beauregard | C |
| Loreauville | Iberia | C |
| Lydia | Iberia | C |
| Mamou | Evangeline | C |
| Maurice | Vermilion | C |
| Melville | St Landry | C |
| Mermentau | Acadia | C |
| Merryville | Beauregard | C |
| Milton | Lafayette | C |
| Mittie | Allen | C |
| Morrow | St Landry | C |
| Morse | Acadia | C |
| New Iberia | Iberia | C |
| Newllano | Vernon | C |
| Oberlin | Allen | C |
| Opelousas | St Landry | C |
| Palmetto | St Landry | C |
| Perry | Vermilion | C |
| Pine Prairie | Evangeline | C |
| Port Barre | St Landry | C |
| Provencal | Natchitoches | C |
| Ragley | Beauregard | C |
| Rayne | Acadia | C |
| Reddell | Evangeline | C |
| Reeves | Allen | C |
| Roanoke | Jefferson Davis | C |
| Rosepine | Vernon | C |
| Scott | Lafayette | C |
| Simpson | Vernon | C |
| Singer | Beauregard | C |
| Slagle | Vernon | C |
| St Landry | Evangeline | C |
| St Martinville | St Martin | C |
| Starks | Calcasieu | C |
| Sugartown | Beauregard | C |
| Sulphur | Calcasieu | C |
| Sunset | St Landry | C |
| Turkey Creek | Evangeline | C |
| Ville Platte | Evangeline | C |
| Vinton | Calcasieu | C |
| Washington | St Landry | C |
| Welsh | Jefferson Davis | C |
| Westlake | Calcasieu | C |
| Youngsville | Lafayette | C |
- Listed above are most places served by USA area code 337. 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 Zone (currently 06:45:50 AM).