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
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 760-752 | PACIFIC BELL | 9740 | SAN MARCOS | CA | |
| 760-753 | PACIFIC BELL | 9740 | ENCINITAS | CA | |
| 760-754 | PACIFIC BELL | 9740 | OCSD OCSD | CA | |
| 760-755 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | 7718 | ESCONDIDO | CA | |
| 760-756 | ONVOY, LLC - CA | 649C | HOLTVILLE | CA | |
| 760-757 | PACIFIC BELL | 9740 | OCSD OCSD | CA | |
| 760-758 | PACIFIC BELL | 9740 | VISTA | CA | |
| 760-759 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | SAN MARCOS | CA | |
| 760-760 | INTEGRATED PATH COMMUNICATIONS, LLC - CA | 707H | BAKER | CA | |
| 760-761 | PACIFIC BELL | 9740 | SAN MARCOS | CA | |
| 760-762 | FRONTIER CALIFORNIA INC. | 4420 | BORON | CA | |
| 760-763 | PACIFIC BELL | 9740 | OCSD PDTN | CA | |
| 760-764 | FRONTIER CALIFORNIA INC. | 4420 | OLANCHA | CA | |
| 760-765 | PACIFIC BELL | 9740 | JULIAN | CA | |
| 760-766 | ONVOY, LLC - CA | 649C | PALMDESERT | CA | |
| 760-767 | PACIFIC BELL | 9740 | BORREGO | CA | |
| 760-768 | PACIFIC BELL | 9740 | CALEXICO | CA | |
| 760-769 | FRONTIER CALIFORNIA INC. | 4420 | BORON | CA | |
| 760-770 | FRONTIER CALIFORNIA INC. | 2319 | PALM SPG | CA | |
| 760-771 | FRONTIER CALIFORNIA INC. | 2319 | INDIO | CA | |
| 760-772 | FRONTIER CALIFORNIA INC. | 2319 | PALMDESERT | CA | |
| 760-773 | FRONTIER CALIFORNIA INC. | 2319 | PALMDESERT | CA | |
| 760-774 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | PALM SPG | CA | |
| 760-775 | FRONTIER CALIFORNIA INC. | 2319 | INDIO | CA | |
| 760-776 | FRONTIER CALIFORNIA INC. | 2319 | PALMDESERT | CA | |
| 760-777 | FRONTIER CALIFORNIA INC. | 2319 | INDIO | CA | |
| 760-778 | FRONTIER CALIFORNIA INC. | 2319 | PALM SPG | CA | |
| 760-779 | FRONTIER CALIFORNIA INC. | 2319 | PALMDESERT | CA | |
| 760-781 | PACIFIC BELL | 9740 | ESCONDIDO | CA | |
| 760-782 | PACIFIC BELL | 9740 | WARNER SPG | CA | |
| 760-783 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | ENCINITAS | CA | |
| 760-785 | NORTH COUNTY COMMUNICATION CORPORATION - CA | 7894 | BRAWLEY | CA | |
| 760-786 | PACIFIC BELL | 9740 | DEATH VLY | CA | |
| 760-787 | PACIFIC BELL | 9740 | RAMONA | CA | |
| 760-788 | PACIFIC BELL | 9740 | RAMONA | CA | |
| 760-789 | PACIFIC BELL | 9740 | RAMONA | CA | |
| 760-791 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | EL CENTRO | CA | |
| 760-793 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | RIDGECREST | CA | |
| 760-795 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7147 | OCSD CRLS | CA | |
| 760-796 | PACIFIC BELL | 9740 | ESCONDIDO | CA | |
| 760-797 | ONVOY, LLC - CA | 649C | PALMDESERT | CA | |
| 760-798 | COMCAST PHONE OF CALIFORNIA, LLC | 394L | SAN MARCOS | CA | |
| 760-799 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | PALM SPG | CA | |
| 760-801 | T-MOBILE USA, INC. | 6529 | ESCONDIDO | CA | |
| 760-802 | T-MOBILE USA, INC. | 6529 | ESCONDIDO | CA | |
| 760-803 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | ESCONDIDO | CA | |
| 760-804 | PACIFIC BELL | 9740 | OCSD CRLS | CA | |
| 760-805 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OCSD OCSD | CA | |
| 760-806 | PACIFIC BELL | 9740 | VISTA | CA | |
| 760-807 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | ESCONDIDO | CA |
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.