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 |
|---|---|---|---|---|---|
| 209-722 | PACIFIC BELL | 9740 | MERCED | CA | |
| 209-723 | PACIFIC BELL | 9740 | MERCED | CA | |
| 209-724 | PACIFIC BELL | 9740 | MERCED | CA | |
| 209-725 | PACIFIC BELL | 9740 | MERCED | CA | |
| 209-726 | PACIFIC BELL | 9740 | MERCED | CA | |
| 209-727 | PACIFIC BELL | 9740 | LOCKEFORD | CA | |
| 209-728 | PACIFIC BELL | 9740 | ANGELSCAMP | CA | |
| 209-729 | ONVOY, LLC - CA | 649C | ANGELSCAMP | CA | |
| 209-730 | BANDWIDTH.COM CLEC, LLC - CA | 981E | GALT | CA | |
| 209-731 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | FRESNO | CA | |
| 209-732 | BANDWIDTH.COM CLEC, LLC - CA | 981E | GROVELAND | CA | |
| 209-733 | ONVOY, LLC - CA | 649C | GUSTINE | CA | |
| 209-734 | ONVOY, LLC - CA | 649C | HERALD | CA | |
| 209-736 | PACIFIC BELL | 9740 | ANGELSCAMP | CA | |
| 209-742 | SIERRA TEL. CO., INC. | 2338 | MARIPOSA | CA | |
| 209-743 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | ANGELSCAMP | CA | |
| 209-744 | PACIFIC BELL | 9740 | GALT | CA | |
| 209-745 | PACIFIC BELL | 9740 | GALT | CA | |
| 209-748 | PACIFIC BELL | 9740 | HERALD | CA | |
| 209-751 | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | STOCKTON | CA | |
| 209-753 | PACIFIC BELL | 9740 | ANGELSCAMP | CA | |
| 209-754 | PACIFIC BELL | 9740 | SANANDREAS | CA | |
| 209-755 | ONVOY, LLC - CA | 649C | SANANDREAS | CA | |
| 209-756 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MERCED | CA | |
| 209-757 | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | FARMINGTON | CA | |
| 209-758 | ONVOY, LLC - CA | 649C | MODESTO | CA | |
| 209-759 | FRONTIER CALIFORNIA INC. | 4420 | CLEMENTS | CA | |
| 209-761 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MERCED | CA | |
| 209-762 | UTILITY TELECOM GROUP, LLC - CA | 9262 | STOCKTON | CA | |
| 209-763 | PACIFIC BELL | 9740 | WALLACE | CA | |
| 209-765 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MODESTO | CA | |
| 209-766 | PACIFIC BELL | 9740 | MODESTO | CA | |
| 209-768 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SNRA MAIN | CA | |
| 209-769 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MERCED | CA | |
| 209-770 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SNRA MAIN | CA | |
| 209-772 | PACIFIC BELL | 9740 | VALLEY SPG | CA | |
| 209-774 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | STOCKTON | CA | |
| 209-775 | ONVOY, LLC - CA | 649C | MANTECA | CA | |
| 209-777 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MERCED | CA | |
| 209-779 | IP HORIZON LLC | 515J | HUGHSON | CA | |
| 209-780 | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | GUSTINE | CA | |
| 209-781 | BANDWIDTH.COM CLEC, LLC - CA | 981E | IONE | CA | |
| 209-782 | BANDWIDTH.COM CLEC, LLC - CA | 981E | JAMESTOWN | CA | |
| 209-783 | ONVOY, LLC - CA | 649C | KNIGHTFRRY | CA | |
| 209-784 | ONVOY, LLC - CA | 649C | LE GRAND | CA | |
| 209-785 | CALAVERAS TEL. CO. | 2301 | COPPERPOLS | CA | |
| 209-786 | CALAVERAS TEL. CO. | 2301 | JENNY LIND | CA | |
| 209-787 | ONVOY, LLC - CA | 649C | LOCKEFORD | CA | |
| 209-788 | IP HORIZON LLC | 515J | MILTON | CA | |
| 209-789 | ONVOY, LLC - CA | 649C | MOCCASIN | 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.