All assignees
800 prefixes in 317 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 317-300 | GREENWOOD | 318J | 2005-10-04 | Yes |
| 317-301 | INDIANAPLS | 9748 | — | — |
| 317-302 | INDIANAPLS | 9748 | — | — |
| 317-303 | PLAINFIELD | 097D | 2026-05-07 | Yes |
| 317-304 | INDIANAPLS | 9748 | — | — |
| 317-305 | INDIANAPLS | 9748 | — | — |
| 317-306 | INDIANAPLS | 9325 | — | Yes |
| 317-307 | INDIANAPLS | 6630 | — | — |
| 317-308 | INDIANAPLS | 9325 | — | Yes |
| 317-309 | INDIANAPLS | 6630 | — | — |
| 317-310 | INDIANAPLS | 9748 | — | — |
| 317-311 | XXXXXXXXXX | MULT | — | — |
| 317-312 | INDIANAPLS | 9748 | — | — |
| 317-313 | INDIANAPLS | 6534 | 2001-04-18 | — |
| 317-314 | GREENFIELD | 6725 | 2022-12-07 | Yes |
| 317-315 | GREENFIELD | 6725 | 2011-10-10 | Yes |
| 317-316 | NOBLESVL | 105F | 2014-09-12 | Yes |
| 317-317 | INDIANAPLS | 318J | 2024-02-08 | Yes |
| 317-318 | GREENFIELD | 7314 | — | Yes |
| 317-319 | INDIANAPLS | 6534 | 2001-04-18 | — |
| 317-320 | INDIANAPLS | 6630 | — | — |
| 317-321 | INDIANAPLS | 9325 | — | — |
| 317-322 | INDIANAPLS | 9325 | — | — |
| 317-323 | MAXWELL | 0775 | — | — |
| 317-324 | CARMEL | 4803 | — | Yes |
| 317-325 | GREENFIELD | 7459 | — | Yes |
| 317-326 | MAXWELL | 0775 | — | — |
| 317-327 | INDIANAPLS | 9325 | — | — |
| 317-328 | INDIANAPLS | 9325 | — | — |
| 317-329 | INDIANAPLS | 9325 | — | — |
| 317-330 | WESTNEWTON | 2964 | 2026-09-15 | Yes |
| 317-331 | INDIANAPLS | 2964 | — | Yes |
| 317-332 | INDIANAPLS | 2964 | — | — |
| 317-333 | INDIANAPLS | 4803 | 2003-08-29 | Yes |
| 317-334 | INDIANAPLS | 9325 | — | Yes |
| 317-335 | MCCORDSVL | 0775 | — | — |
| 317-336 | MCCORDSVL | 0775 | — | — |
| 317-337 | INDIANAPLS | 9325 | — | — |
| 317-338 | INDIANAPLS | 9325 | — | — |
| 317-339 | INDIANAPLS | 2964 | — | Yes |
| 317-340 | INDIANAPLS | 2964 | — | Yes |
| 317-341 | INDIANAPLS | 6534 | — | — |
| 317-342 | ZIONSVILLE | 097D | 2016-02-08 | Yes |
| 317-343 | CARMEL | 105F | — | Yes |
| 317-344 | ZIONSVILLE | 7060 | — | Yes |
| 317-345 | INDIANAPLS | 2964 | — | Yes |
| 317-346 | FRANKLIN | 0832 | — | — |
| 317-347 | INDIANAPLS | 9325 | — | — |
| 317-348 | FISHERS | 4803 | — | Yes |
| 317-349 | CICERO | 105F | 2017-02-24 | Yes |
| 317-350 | BROWNSBURG | 318J | 2011-08-17 | Yes |
| 317-351 | INDIANAPLS | 9325 | — | — |
| 317-352 | INDIANAPLS | 9325 | — | Yes |
| 317-353 | INDIANAPLS | 9325 | — | Yes |
| 317-354 | INDIANAPLS | 9325 | — | Yes |
| 317-355 | INDIANAPLS | 9325 | — | — |
| 317-356 | INDIANAPLS | 9325 | — | — |
| 317-357 | INDIANAPLS | 9325 | — | — |
| 317-358 | INDIANAPLS | 9325 | — | Yes |
| 317-359 | INDIANAPLS | 9325 | — | — |
| 317-360 | GREENWOOD | 105F | 2014-05-02 | Yes |
| 317-361 | INDIANAPLS | 6534 | — | Yes |
| 317-362 | INDIANAPLS | 318J | 2004-01-16 | Yes |
| 317-363 | INDIANAPLS | 6534 | 2003-06-04 | Yes |
| 317-364 | SHELBYVL | 6534 | 2002-05-23 | Yes |
| 317-365 | GREENWOOD | 6534 | 2025-06-20 | Yes |
| 317-366 | INDIANAPLS | 2964 | 2003-06-04 | Yes |
| 317-367 | INDIANAPLS | 9748 | — | — |
| 317-368 | INDIANAPLS | 9748 | — | — |
| 317-369 | MAXWELL | 318J | 2009-07-21 | Yes |
| 317-370 | INDIANAPLS | 6534 | — | — |
| 317-371 | INDIANAPLS | 6534 | — | — |
| 317-372 | INDIANAPLS | 6534 | — | — |
| 317-373 | INDIANAPLS | 6534 | — | — |
| 317-374 | INDIANAPLS | 6534 | — | — |
| 317-375 | INDIANAPLS | 9325 | — | Yes |
| 317-376 | CICERO | 4803 | — | Yes |
| 317-377 | INDIANAPLS | 9325 | — | Yes |
| 317-378 | INDIANAPLS | 829J | 2011-03-17 | Yes |
| 317-379 | NOBLESVL | 6534 | 2002-06-18 | Yes |
| 317-380 | INDIANAPLS | 6630 | — | — |
| 317-381 | INDIANAPLS | 9325 | — | Yes |
| 317-382 | INDIANAPLS | 6630 | — | — |
| 317-383 | INDIANAPLS | 9325 | — | Yes |
| 317-384 | INDIANAPLS | 2964 | 2010-07-14 | Yes |
| 317-385 | CICERO | 6725 | 2002-03-06 | Yes |
| 317-386 | DANVILLE | 4803 | — | Yes |
| 317-387 | INDIANAPLS | 9325 | — | — |
| 317-388 | INDIANAPLS | 9325 | — | Yes |
| 317-389 | INDIANAPLS | 2964 | 2015-07-21 | Yes |
| 317-390 | INDIANAPLS | 9325 | — | Yes |
| 317-391 | INDIANAPLS | 6725 | 2023-12-05 | Yes |
| 317-392 | SHELBYVL | 9325 | — | — |
| 317-393 | INDIANAPLS | 6630 | — | — |
| 317-394 | INDIANAPLS | 6630 | — | — |
| 317-395 | SHELBYVL | 7060 | — | Yes |
| 317-396 | INDIANAPLS | 829J | — | — |
| 317-397 | INDIANAPLS | 2964 | 2010-07-14 | Yes |
| 317-398 | SHELBYVL | 9325 | — | — |
| 317-399 | WESTFIELD | 7060 | 2001-05-22 | 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.