NumberResearchRecent prefix assignments
243 prefixes assigned in May 2026 · 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.
Most active assignees, May 2026
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2026-05-21 | 458-362 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OR | 5820 | MYRTLE CRK | OR |
| 2026-05-21 | 479-594 | IP HORIZON LLC | 515J | MENA | AR |
| 2026-05-21 | 557-253 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | KIRKWOOD | MO |
| 2026-05-21 | 572-282 | ONVOY, LLC - OK | 409F | SHAWNEE | OK |
| 2026-05-21 | 640-301 | ONVOY, LLC - NJ | 637C | EWING | NJ |
| 2026-05-21 | 657-858 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | HUNTITNBCH | CA |
| 2026-05-21 | 657-868 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | FULLERTON | CA |
| 2026-05-21 | 657-869 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SANTA ANA | CA |
| 2026-05-21 | 657-870 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | WESTMINSTR | CA |
| 2026-05-21 | 738-998 | ONVOY, LLC - CA | 649C | LSAN DA 02 | CA |
| 2026-05-21 | 838-312 | ONVOY, LLC- NY | 384C | ALBANY | NY |
| 2026-05-21 | 858-447 | ONVOY, LLC - CA | 649C | RNCHOPNQTS | CA |
| 2026-05-21 | 925-607 | ONVOY, LLC - CA | 649C | ANTIOCH | CA |
| 2026-05-21 | 938-325 | ONVOY, LLC - AL | 604E | ALBERTVL | AL |
| 2026-05-21 | 949-884 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SADLBK VLY | CA |
| 2026-05-21 | 956-512 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | LOSFRESNOS | TX |
| 2026-05-21 | 980-542 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC | 6324 | CONCORD | NC |
| 2026-05-20 | 279-880 | 8X8, INC. | 193E | SCRM MAIN | CA |
| 2026-05-20 | 350-880 | 8X8, INC. | 193E | MANTECA | CA |
| 2026-05-20 | 559-980 | 8X8, INC. | 193E | FRESNO | CA |
| 2026-05-20 | 571-764 | ONVOY, LLC - VA | 138E | OCCOQUAN | VA |
| 2026-05-20 | 657-865 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | ANAHEIM | CA |
| 2026-05-20 | 661-880 | 8X8, INC. | 193E | BKFD MAIN | CA |
| 2026-05-20 | 669-880 | 8X8, INC. | 193E | SNJS NORTH | CA |
| 2026-05-20 | 682-496 | ONVOY, LLC - TX | 903C | CLEBURNE | TX |
| 2026-05-20 | 738-880 | 8X8, INC. | 193E | LSAN DA 01 | CA |
| 2026-05-20 | 820-880 | 8X8, INC. | 193E | SANBARBARA | CA |
| 2026-05-20 | 831-880 | 8X8, INC. | 193E | MONTEREY | CA |
| 2026-05-20 | 835-296 | NORTH PENN LONG DISTANCE CORPORATION | 091H | BETHLEHEM | PA |
| 2026-05-20 | 840-996 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | S BERNDINO | CA |
| 2026-05-20 | 858-881 | 8X8, INC. | 193E | SNDG SNDG | CA |
| 2026-05-20 | 862-479 | ONVOY, LLC - NJ | 637C | BLOOMFIELD | NJ |
| 2026-05-20 | 929-872 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NWYRCYZN05 | NY |
| 2026-05-20 | 940-413 | ONVOY, LLC - TX | 903C | DENTON | TX |
| 2026-05-20 | 945-439 | ONVOY, LLC - TX | 903C | FRISCO | TX |
| 2026-05-20 | 945-441 | ONVOY, LLC - TX | 903C | GRANDPRARI | TX |
| 2026-05-20 | 975-212 | SHELCOMM | 0051 | KANSASCITY | MO |
| 2026-05-19 | 409-394 | AERIAL COMMUNICATIONS, INC. | 6701 | TXSCYMARQU | TX |
| 2026-05-19 | 574-774 | BOOST SUBSCRIBERCO L.L.C. | 490J | GOSHEN | IN |
| 2026-05-19 | 602-915 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | PHOENIX | AZ |
| 2026-05-19 | 770-269 | POWERTEL ATLANTA LICENSES, INC. | 7473 | WINDER | GA |
| 2026-05-19 | 945-440 | T-MOBILE USA, INC. | 6529 | PLANO | TX |
| 2026-05-18 | 331-346 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 6333 | NAPERVILLE | IL |
| 2026-05-18 | 346-928 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | CYPRESS | TX |
| 2026-05-18 | 657-862 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | ANAHEIM | CA |
| 2026-05-18 | 657-863 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | HUNTITNBCH | CA |
| 2026-05-18 | 657-864 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SANTA ANA | CA |
| 2026-05-18 | 689-381 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | WINTERPARK | FL |
| 2026-05-18 | 689-382 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | WINTERPARK | FL |
| 2026-05-18 | 701-616 | LEVEL 3 COMMUNICATIONS, LLC - ND | 8054 | DRAYTON | ND |
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.