NumberResearchRecent prefix assignments
371 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/19/2026
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, last 30 days
New assignments by month
Sep 2026
Aug 2026
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 2024-03-18 | 227-236 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSNGTNZN10 | MD |
| 2024-03-18 | 229-673 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | THOMASVL | GA |
| 2024-03-18 | 341-250 | ONVOY, LLC - CA | 649C | OKLD FRTVL | CA |
| 2024-03-18 | 385-574 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LEHI | UT |
| 2024-03-18 | 417-431 | LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | METZ | MO |
| 2024-03-18 | 417-474 | LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | RICHARDS | MO |
| 2024-03-18 | 432-328 | CSC VOICE, LLC | 612K | CRANE | TX |
| 2024-03-18 | 435-361 | ONVOY, LLC - UT | 871E | LOGAN | UT |
| 2024-03-18 | 442-454 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | INDIO | CA |
| 2024-03-18 | 478-399 | LEVEL 3 COMMUNICATIONS, LLC - GA | 6116 | BUTLER | GA |
| 2024-03-18 | 509-613 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | SPOKANE | WA |
| 2024-03-18 | 515-675 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | DES MOINES | IA |
| 2024-03-18 | 571-672 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | WSNGTNZN17 | VA |
| 2024-03-18 | 609-728 | ONVOY, LLC - NJ | 637C | TRENTON | NJ |
| 2024-03-18 | 626-752 | ONVOY, LLC - CA | 649C | PSDN PSDN | CA |
| 2024-03-18 | 628-303 | ONVOY, LLC - CA | 649C | SNFC CNTRL | CA |
| 2024-03-18 | 656-236 | ONVOY, LLC - FL | 937C | TAMPAEST | FL |
| 2024-03-18 | 667-472 | ONVOY, LLC - MD | 876D | PRINCEANNE | MD |
| 2024-03-18 | 680-301 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | LYONS | NY |
| 2024-03-18 | 682-434 | ONVOY, LLC - TX | 903C | EULESS | TX |
| 2024-03-18 | 716-518 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | JAMESTOWN | NY |
| 2024-03-18 | 737-380 | CSC VOICE, LLC | 612K | LAMPASAS | TX |
| 2024-03-18 | 737-381 | ONVOY, LLC - TX | 903C | AUSTIN | TX |
| 2024-03-18 | 747-359 | ONVOY, LLC - CA | 649C | BRBN BRBN | CA |
| 2024-03-18 | 747-360 | ONVOY, LLC - CA | 649C | VAN NUYS | CA |
| 2024-03-18 | 769-334 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MS | 6396 | MERIDIAN | MS |
| 2024-03-18 | 775-565 | FIVE9, INC. | 598J | BEATTY | NV |
| 2024-03-18 | 816-954 | COMCAST IP PHONE, LLC | 318J | WELLINGTON | MO |
| 2024-03-18 | 840-254 | ONVOY, LLC - CA | 649C | RIALTO | CA |
| 2024-03-18 | 840-255 | ONVOY, LLC - CA | 649C | S BERNDINO | CA |
| 2024-03-18 | 848-366 | ONVOY, LLC - NJ | 637C | LAKEWOOD | NJ |
| 2024-03-18 | 848-367 | ONVOY, LLC - NJ | 637C | TOMS RIVER | NJ |
| 2024-03-18 | 862-454 | ONVOY, LLC - NJ | 637C | ORANGE | NJ |
| 2024-03-18 | 918-580 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - OK | 5813 | BARTLESVL | OK |
| 2024-03-18 | 938-250 | NEW CINGULAR WIRELESS PCS, LLC - GA | 6214 | DECATUR | AL |
| 2024-03-18 | 943-241 | POWERTEL ATLANTA LICENSES, INC. | 7473 | BUFORD | GA |
| 2024-03-18 | 943-242 | POWERTEL ATLANTA LICENSES, INC. | 7473 | NEWNAN | GA |
| 2024-03-18 | 943-244 | VONAGE AMERICA LLC | 197D | ATLANTA SO | GA |
| 2024-03-18 | 948-221 | NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | NRFOLKZON2 | VA |
| 2024-03-18 | 948-223 | BANDWIDTH.COM CLEC, LLC - VA | 079F | NRFOLKZON2 | VA |
| 2024-03-18 | 970-892 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO | 6567 | GRAND JCT | CO |
| 2024-03-18 | 980-473 | ONVOY, LLC - NC | 638E | GASTONIA | NC |
| 2024-03-15 | 219-376 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | GARY | IN |
| 2024-03-15 | 220-264 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | ATHENS | OH |
| 2024-03-15 | 417-382 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | JOPLIN | MO |
| 2024-03-15 | 425-565 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA | 5812 | EVERETT | WA |
| 2024-03-15 | 431-458 | Videotron Ltd. | 383F | Winnipeg | — |
| 2024-03-15 | 458-320 | ONVOY, LLC - OR | 750E | EUGENE | OR |
| 2024-03-15 | 472-248 | ONVOY, LLC - NC | 638E | FAYETTEVL | NC |
| 2024-03-15 | 608-923 | ONVOY, LLC - WI | 225C | OREGON | WI |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/19/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.