All assignees
779 prefixes in 318 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 318-200 | SHREVEPORT | 153F | 2008-06-30 | Yes |
| 318-201 | ALEXANDRIA | 6214 | — | — |
| 318-202 | RUSTON | 153F | — | Yes |
| 318-203 | SHREVEPORT | 624H | 2022-10-17 | Yes |
| 318-204 | XXXXXXXXXX | 9419 | — | — |
| 318-205 | SHREVEPORT | 6505 | — | — |
| 318-206 | ALEXANDRIA | 6214 | 2011-10-04 | Yes |
| 318-207 | SHREVEPORT | 6916 | 2001-08-13 | Yes |
| 318-208 | SHREVEPORT | 6916 | — | Yes |
| 318-209 | WINNFIELD | 6214 | 2002-04-04 | Yes |
| 318-210 | SHREVEPORT | 318J | — | Yes |
| 318-211 | XXXXXXXXXX | MULT | — | — |
| 318-212 | SHREVEPORT | 2896 | — | — |
| 318-213 | SHREVEPORT | 2896 | — | — |
| 318-214 | NATCHITCHS | 9419 | — | Yes |
| 318-215 | OAKDALE | 9419 | — | Yes |
| 318-216 | SHREVEPORT | 732J | — | Yes |
| 318-217 | WATERPROOF | 6214 | 2002-04-19 | Yes |
| 318-218 | SHREVEPORT | 6214 | — | — |
| 318-219 | SHREVEPORT | 9419 | — | Yes |
| 318-220 | SHREVEPORT | 9419 | — | Yes |
| 318-221 | SHREVEPORT | 9419 | 2001-05-11 | — |
| 318-222 | SHREVEPORT | 9419 | 2001-05-11 | — |
| 318-223 | RODESSA | 0434 | — | Yes |
| 318-224 | RUSTON | 6505 | 2002-09-06 | Yes |
| 318-225 | HOMER | 6214 | 2003-12-05 | Yes |
| 318-226 | SHREVEPORT | 9419 | 2001-05-11 | — |
| 318-227 | SHREVEPORT | 9419 | 2001-05-11 | — |
| 318-228 | NATCHITCHS | 6505 | — | Yes |
| 318-229 | ALEXANDRIA | 6214 | — | Yes |
| 318-230 | SHREVEPORT | 6916 | 2001-10-08 | Yes |
| 318-231 | LKPROVIDNC | 6214 | 2002-04-19 | Yes |
| 318-232 | RUSTON | 2896 | 2002-08-15 | Yes |
| 318-233 | GEORGETOWN | 6214 | 2002-04-19 | Yes |
| 318-234 | HOMER | 1762 | 2001-12-19 | — |
| 318-235 | MONROE | 6214 | 2002-05-20 | — |
| 318-236 | SHREVEPORT | 1762 | 2001-12-19 | — |
| 318-237 | MONROE | 6214 | 2002-03-18 | — |
| 318-238 | NATCHITCHS | 1762 | 2001-12-19 | — |
| 318-239 | BASTROP | 3232 | 2002-07-24 | Yes |
| 318-240 | MARKSVILLE | 9419 | — | Yes |
| 318-241 | SHREVEPORT | 6630 | — | — |
| 318-242 | RUSTON | 9419 | — | Yes |
| 318-243 | RUSTON | 6214 | — | — |
| 318-244 | OAK RIDGE | 0434 | — | — |
| 318-245 | RUSTON | 6505 | — | — |
| 318-246 | HEBRON | 0434 | — | Yes |
| 318-247 | GRAMBLING | 9419 | — | Yes |
| 318-248 | MANGHAM | 0434 | — | Yes |
| 318-249 | CHATHAM | 0434 | — | Yes |
| 318-250 | SHREVEPORT | 6505 | — | Yes |
| 318-251 | RUSTON | 9419 | — | — |
| 318-252 | HOMER | 749E | 2018-02-21 | Yes |
| 318-253 | MARKSVILLE | 9419 | — | Yes |
| 318-254 | RUSTON | 9419 | — | Yes |
| 318-255 | RUSTON | 9419 | — | — |
| 318-256 | MANY | 9419 | — | Yes |
| 318-257 | RUSTON | 9419 | — | Yes |
| 318-258 | ATHENS | 0434 | — | Yes |
| 318-259 | JONESBORO | 9419 | — | — |
| 318-260 | COLLINSTON | 490J | 2023-06-29 | Yes |
| 318-261 | BASTROP | 6916 | — | Yes |
| 318-262 | BENTON | 5562 | — | Yes |
| 318-263 | ARCADIA | 9419 | — | Yes |
| 318-264 | MARKSVILLE | 5562 | — | Yes |
| 318-265 | RUSTON | 6505 | — | Yes |
| 318-266 | ALEXANDRIA | 624H | — | Yes |
| 318-267 | MONROE | 6214 | — | Yes |
| 318-268 | MINDEN | 6214 | 2001-03-14 | Yes |
| 318-269 | ALEXANDRIA | 153F | — | Yes |
| 318-270 | MANSFIELD | 1762 | 2001-12-19 | — |
| 318-271 | COUSHATTA | 1762 | 2001-12-19 | — |
| 318-272 | SHREVEPORT | 6214 | 2002-03-13 | — |
| 318-273 | MANY | 1762 | 2001-12-19 | — |
| 318-274 | GRAMBLING | 9419 | — | Yes |
| 318-275 | EAGLE LAKE | 0454 | — | — |
| 318-276 | MONROE | 6630 | 2001-02-06 | — |
| 318-277 | BOYCE | 6214 | 2001-03-14 | Yes |
| 318-278 | RUSTON | 6214 | 2001-03-12 | Yes |
| 318-279 | CHENEYVL | 0441 | — | — |
| 318-280 | WINNSBORO | 6916 | 2001-01-09 | Yes |
| 318-281 | BASTROP | 9419 | — | — |
| 318-282 | BASTROP | 6505 | — | — |
| 318-283 | BASTROP | 9419 | — | — |
| 318-284 | IDA | 0434 | — | Yes |
| 318-285 | BERNICE | 9419 | — | Yes |
| 318-286 | SHREVEPORT | 6214 | 2002-03-14 | — |
| 318-287 | HOSSTON | 0434 | — | Yes |
| 318-288 | MINDEN | 5562 | 2001-01-09 | Yes |
| 318-289 | WINNFIELD | 6916 | 2001-01-09 | Yes |
| 318-290 | ALEXANDRIA | 6214 | — | Yes |
| 318-291 | MINDEN | 1762 | 2001-12-19 | — |
| 318-292 | MARION | 0434 | — | Yes |
| 318-293 | SALINE | 1762 | 2001-12-19 | — |
| 318-294 | SHREVEPORT | 6214 | 2002-04-11 | — |
| 318-295 | BUNKIE | 3232 | 2002-04-29 | Yes |
| 318-296 | GILLIAM | 0434 | — | Yes |
| 318-297 | RAYVILLE | 6916 | 2001-03-26 | Yes |
| 318-298 | GREENWOOD | 145J | — | Yes |
| 318-299 | MINDEN | 749E | — | Yes |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.