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 |
|---|---|---|---|---|---|
| 209-628 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MERCED | CA | |
| 209-629 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MANTECA | CA | |
| 209-631 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MERCED | CA | |
| 209-632 | PACIFIC BELL | 9740 | TURLOCK | CA | |
| 209-633 | UTILITY TELECOM GROUP, LLC - CA | 9262 | TURLOCK | CA | |
| 209-634 | PACIFIC BELL | 9740 | TURLOCK | CA | |
| 209-639 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | STOCKTON | CA | |
| 209-642 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | LODI | CA | |
| 209-644 | ONVOY, LLC - CA | 649C | STOCKTON | CA | |
| 209-645 | ONVOY, LLC - CA | 649C | STOCKTON | CA | |
| 209-648 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | TURLOCK | CA | |
| 209-649 | T-MOBILE USA, INC. | 6529 | STOCKTON | CA | |
| 209-652 | METROPCS, INC. | 5562 | MODESTO | CA | |
| 209-653 | ONVOY, LLC - CA | 649C | MODESTO | CA | |
| 209-656 | PACIFIC BELL | 9740 | TURLOCK | CA | |
| 209-658 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MERCED | CA | |
| 209-659 | TWILIO INTERNATIONAL, INC. | 506J | STOCKTON | CA | |
| 209-662 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | STOCKTON | CA | |
| 209-664 | PACIFIC BELL | 9740 | TURLOCK | CA | |
| 209-665 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MANTECA | CA | |
| 209-666 | ONVOY, LLC - CA | 649C | TRACY | CA | |
| 209-667 | PACIFIC BELL | 9740 | TURLOCK | CA | |
| 209-668 | PACIFIC BELL | 9740 | TURLOCK | CA | |
| 209-669 | PACIFIC BELL | 9740 | TURLOCK | CA | |
| 209-670 | T-MOBILE USA, INC. | 6529 | STOCKTON | CA | |
| 209-671 | ONVOY, LLC - CA | 649C | PINECREST | CA | |
| 209-674 | ONVOY, LLC - CA | 649C | SANANDREAS | CA | |
| 209-675 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LOS BANOS | CA | |
| 209-677 | ONVOY, LLC - CA | 649C | SNRA JUNO | CA | |
| 209-678 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | TURLOCK | CA | |
| 209-679 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MANTECA | CA | |
| 209-680 | COMCAST PHONE OF CALIFORNIA, LLC | 394L | PLYMOUTH | CA | |
| 209-681 | ONVOY, LLC - CA | 649C | MODESTO | CA | |
| 209-682 | SKYE TELECOM LLC DBA SKYETEL | 622J | COULTERVL | CA | |
| 209-683 | BANDWIDTH.COM CLEC, LLC - CA | 981E | ATWATER | CA | |
| 209-684 | ONVOY, LLC - CA | 649C | STOCKTON | CA | |
| 209-690 | ONVOY, LLC - CA | 649C | CROWS LDG | CA | |
| 209-691 | BANDWIDTH.COM CLEC, LLC - CA | 981E | ESCALON | CA | |
| 209-694 | PACIFIC BELL | 9740 | SNRA MAIN | CA | |
| 209-700 | CA | ||||
| 209-704 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LOS BANOS | CA | |
| 209-708 | AMERICAN MESSAGING SERVICES, LLC | 9748 | SNRA MAIN | CA | |
| 209-710 | COMCAST PHONE OF CALIFORNIA, LLC | 394L | LOS BANOS | CA | |
| 209-711 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CA | |
| 209-712 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | LODI | CA | |
| 209-713 | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | PINECREST | CA | |
| 209-714 | ONVOY, LLC - CA | 649C | SUTTER CRK | CA | |
| 209-718 | BANDWIDTH.COM CLEC, LLC - CA | 981E | MODESTO | CA | |
| 209-720 | BANDWIDTH.COM CLEC, LLC - CA | 981E | MERCED | CA | |
| 209-721 | ONVOY, LLC - CA | 649C | MERCED | 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.