NumberResearchRecent prefix assignments
352 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 2026-04
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
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 209-401 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | STOCKTON | CA | |
| 209-402 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MODESTO | CA | |
| 209-403 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | STOCKTON | CA | |
| 209-404 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MODESTO | CA | |
| 209-405 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | STOCKTON | CA | |
| 209-406 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | STOCKTON | CA | |
| 209-411 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CA | |
| 209-418 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | JACKSON | CA | |
| 209-419 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MOKELUMNHL | CA | |
| 209-428 | AMERICAN MESSAGING SERVICES, LLC | 9748 | ANGELSCAMP | CA | |
| 209-432 | COMCAST PHONE OF CALIFORNIA, LLC | 394L | SNRA JUNO | CA | |
| 209-433 | CENTURYLINK COMMUNICATIONS, LLC | 508J | CLEMENTS | CA | |
| 209-434 | EXIANT COMMUNICATIONS LLC | 114J | COULTERVL | CA | |
| 209-435 | ONVOY, LLC - CA | 649C | DOS PALOS | CA | |
| 209-436 | BANDWIDTH.COM CLEC, LLC - CA | 981E | GROVELAND | CA | |
| 209-437 | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | LE GRAND | CA | |
| 209-438 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | LINDEN | CA | |
| 209-439 | BANDWIDTH.COM CLEC, LLC - CA | 981E | PLANADA | CA | |
| 209-440 | ONVOY, LLC - CA | 649C | SNELLING | CA | |
| 209-441 | BANDWIDTH.COM CLEC, LLC - CA | 981E | WTFR DNPR | CA | |
| 209-442 | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | WTFR MAIN | CA | |
| 209-443 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | WALLACE | CA | |
| 209-444 | ONVOY, LLC - CA | 649C | STOCKTON | CA | |
| 209-456 | METROPCS, INC. | 5562 | MANTECA | CA | |
| 209-460 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-461 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-462 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-463 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-464 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-465 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-466 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-467 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-468 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-469 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-470 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | STOCKTON | CA | |
| 209-471 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | STOCKTON | CA | |
| 209-472 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-473 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-474 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-475 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-476 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-477 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-478 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-479 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | STOCKTON | CA | |
| 209-480 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MODESTO | CA | |
| 209-481 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MANTECA | CA | |
| 209-482 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MANTECA | CA | |
| 209-483 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MANTECA | CA | |
| 209-484 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MODESTO | CA | |
| 209-490 | T-MOBILE USA, INC. | 6529 | STOCKTON | CA |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 2026-04 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.