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 |
|---|---|---|---|---|---|
| 760-809 | T-MOBILE USA, INC. | 6529 | ENCINITAS | CA | |
| 760-811 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CA | |
| 760-814 | AT&T ENTERPRISES, LLC | 516C | OCSD CRLS | CA | |
| 760-815 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | ENCINITAS | CA | |
| 760-816 | SPOK, INC. | 6630 | VICTORVL | CA | |
| 760-817 | UTILITY TELECOM GROUP, LLC - CA | 9262 | VICTORVL | CA | |
| 760-819 | FRONTIER CALIFORNIA INC. | 2319 | TWNTYNPLMS | CA | |
| 760-820 | FRONTIER CALIFORNIA INC. | 2319 | YUCCA VLY | CA | |
| 760-821 | ONVOY, LLC - CA | 649C | JOSHUATREE | CA | |
| 760-822 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | VISTA | CA | |
| 760-824 | BANDWIDTH.COM CLEC, LLC - CA | 981E | LUCERNEVLY | CA | |
| 760-825 | ONVOY, LLC - CA | 649C | RAMONA | CA | |
| 760-826 | BANDWIDTH.COM CLEC, LLC - CA | 981E | OCSD OCSD | CA | |
| 760-827 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | OCSD CRLS | CA | |
| 760-828 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | OCSD OCSD | CA | |
| 760-829 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | OCSD PDTN | CA | |
| 760-830 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | TWNTYNPLMS | CA | |
| 760-833 | FRONTIER CALIFORNIA INC. | 2319 | PALM SPG | CA | |
| 760-834 | FRONTIER CALIFORNIA INC. | 2319 | PALMDESERT | CA | |
| 760-835 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | PALM SPG | CA | |
| 760-836 | FRONTIER CALIFORNIA INC. | 2319 | PALMDESERT | CA | |
| 760-837 | FRONTIER CALIFORNIA INC. | 2319 | PALMDESERT | CA | |
| 760-838 | UTILITY TELECOM GROUP, LLC - CA | 9262 | VICTORVL | CA | |
| 760-839 | PACIFIC BELL | 9740 | ESCONDIDO | CA | |
| 760-841 | ONVOY, LLC - CA | 649C | PALM SPG | CA | |
| 760-843 | FRONTIER CALIFORNIA INC. | 4420 | VICTORVL | CA | |
| 760-845 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | OCSD CRLS | CA | |
| 760-846 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | ENCINITAS | CA | |
| 760-847 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7147 | OCSD PDTN | CA | |
| 760-849 | AT&T ENTERPRISES, LLC | 516C | BAKER | CA | |
| 760-851 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | PALMDESERT | CA | |
| 760-852 | PACIFIC BELL | 9740 | SHOSHONE | CA | |
| 760-854 | FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - CA | 863F | PALO VERDE | CA | |
| 760-856 | PACIFIC BELL | 9740 | MT PASS | CA | |
| 760-857 | IP HORIZON LLC | 515J | BORREGO | CA | |
| 760-858 | FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - CA | 863F | HAVASULAKE | CA | |
| 760-859 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | OCSD OCSD | CA | |
| 760-860 | ONVOY, LLC - CA | 649C | JULIAN | CA | |
| 760-862 | FRONTIER CALIFORNIA INC. | 2319 | PALMDESERT | CA | |
| 760-863 | FRONTIER CALIFORNIA INC. | 2319 | INDIO | CA | |
| 760-864 | FRONTIER CALIFORNIA INC. | 2319 | PALM SPG | CA | |
| 760-865 | FRONTIER CALIFORNIA INC. | 2319 | TWNTYNPLMS | CA | |
| 760-866 | FRONTIER CALIFORNIA INC. | 2319 | PALM SPG | CA | |
| 760-868 | FRONTIER CALIFORNIA INC. | 4420 | WRWD PHLN | CA | |
| 760-870 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA | 7240 | RAMONA | CA | |
| 760-871 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | ESCONDIDO | CA | |
| 760-872 | FRONTIER CALIFORNIA INC. | 4420 | BISHOP | CA | |
| 760-873 | FRONTIER CALIFORNIA INC. | 4420 | BISHOP | CA | |
| 760-874 | ONVOY, LLC - CA | 649C | BISHOP | CA | |
| 760-875 | ONVOY, LLC - CA | 649C | LONE PINE | 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.