NumberResearchRecent prefix assignments
0 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026
Which carriers received which NPA-NXX prefixes, and where. Assignments are initial assignments from NANPA records — because of number portability, the current serving carrier of individual numbers may differ. For finer-grained activity, see the thousands-block view above.
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2024-09-10 | 656-229 | SHELCOMM | 0051 | TAMPACEN | FL |
| 2024-09-05 | 970-906 | SHELCOMM | 0051 | PAGOSA SPG | CO |
| 2024-09-05 | 983-205 | SHELCOMM | 0051 | STRASBURG | CO |
| 2024-09-05 | 983-206 | SHELCOMM | 0051 | FORTLUPTON | CO |
| 2024-09-03 | 645-227 | SHELCOMM | 0051 | KEYS | FL |
| 2024-09-03 | 728-216 | SHELCOMM | 0051 | BOCA RATON | FL |
| 2024-09-03 | 728-217 | SHELCOMM | 0051 | BOYNTONBCH | FL |
| 2024-09-03 | 754-338 | SHELCOMM | 0051 | FTLAUDERDL | FL |
| 2024-09-03 | 772-308 | SHELCOMM | 0051 | FORTPIERCE | FL |
| 2024-09-03 | 954-631 | SHELCOMM | 0051 | HOLLYWOOD | FL |
| 2024-08-29 | 645-226 | SHELCOMM | 0051 | MIAMI | FL |
| 2024-01-23 | 983-202 | SHELCOMM | 0051 | DENVER | CO |
| 2023-12-18 | 872-347 | SHELCOMM | 0051 | CHICGOZN01 | IL |
| 2023-12-12 | 412-570 | SHELCOMM | 0051 | PTTSBGZON1 | PA |
| 2020-11-18 | 256-821 | SHELCOMM | 0051 | DECATUR | AL |
| 2020-11-18 | 938-202 | SHELCOMM | 0051 | ATHENS | AL |
| 2020-11-18 | 938-203 | SHELCOMM | 0051 | HARTSELLE | AL |
| 2020-11-16 | 256-823 | SHELCOMM | 0051 | HUNTSVILLE | AL |
| 2020-06-08 | 332-231 | SHELCOMM | 0051 | NWYRCYZN01 | NY |
| 2019-09-18 | 254-365 | SHELCOMM | 0051 | CARBON | TX |
| 2019-09-18 | 254-367 | SHELCOMM | 0051 | CISCO | TX |
| 2019-09-18 | 469-710 | SHELCOMM | 0051 | PLANO | TX |
| 2019-09-18 | 682-293 | SHELCOMM | 0051 | ARLINGTON | TX |
| 2019-09-18 | 682-296 | SHELCOMM | 0051 | GRANDVIEW | TX |
| 2019-09-12 | 254-648 | SHELCOMM | 0051 | RANGER | TX |
| 2019-09-12 | 469-696 | SHELCOMM | 0051 | MCKINNEY | TX |
| 2019-09-12 | 469-738 | SHELCOMM | 0051 | IRVING | TX |
| 2019-09-10 | 254-363 | SHELCOMM | 0051 | ALEXANDER | TX |
| 2019-09-10 | 469-692 | SHELCOMM | 0051 | ALLEN | TX |
| 2018-12-05 | 430-248 | SHELCOMM | 0051 | GREENVILLE | TX |
| 2018-12-05 | 682-280 | SHELCOMM | 0051 | FORT WORTH | TX |
| 2018-12-05 | 940-288 | SHELCOMM | 0051 | DENTON | TX |
| 2018-12-03 | 469-572 | SHELCOMM | 0051 | DALLAS | TX |
| 2018-07-31 | 424-418 | SHELCOMM | 0051 | BEVERLYHLS | CA |
| 2018-07-31 | 442-299 | SHELCOMM | 0051 | VTVL HSPR | CA |
| 2018-07-31 | 562-389 | SHELCOMM | 0051 | ALAMITOS | CA |
| 2018-07-31 | 626-477 | SHELCOMM | 0051 | ALHAMBRA | CA |
| 2018-07-31 | 657-362 | SHELCOMM | 0051 | ANAHEIM | CA |
| 2018-07-31 | 661-419 | SHELCOMM | 0051 | HI VISTA | CA |
| 2018-07-31 | 747-280 | SHELCOMM | 0051 | NO HOLLYWD | CA |
| 2018-07-31 | 805-992 | SHELCOMM | 0051 | MOORPARK | CA |
| 2018-07-31 | 820-201 | SHELCOMM | 0051 | OXNARD | CA |
| 2018-07-31 | 909-508 | SHELCOMM | 0051 | POMONA | CA |
| 2018-07-31 | 949-479 | SHELCOMM | 0051 | IRVINE | CA |
| 2018-07-31 | 951-469 | SHELCOMM | 0051 | TEMECULA | CA |
| 2018-07-26 | 213-396 | SHELCOMM | 0051 | LSAN DA 02 | CA |
| 2018-05-08 | 424-412 | SHELCOMM | 0051 | INGLEWOOD | CA |
| 2018-05-08 | 442-289 | SHELCOMM | 0051 | VICTORVL | CA |
| 2018-05-08 | 657-326 | SHELCOMM | 0051 | GARDEN GRV | CA |
| 2018-05-08 | 747-278 | SHELCOMM | 0051 | NORTHRIDGE | CA |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.