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 |
|---|---|---|---|---|---|
| 209-939 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-940 | UTILITY TELECOM GROUP, LLC - CA | 9262 | STOCKTON | CA | |
| 209-941 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-942 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-943 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-944 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-946 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-948 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-950 | CA | ||||
| 209-951 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-952 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-953 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-954 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-955 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-956 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-957 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-958 | CA | ||||
| 209-959 | CA | ||||
| 209-962 | PACIFIC BELL | 9740 | GROVELAND | CA | |
| 209-964 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | IONE | CA | |
| 209-965 | PACIFIC BELL | 9740 | PINECREST | CA | |
| 209-966 | SIERRA TEL. CO., INC. | 2338 | MARIPOSA | CA | |
| 209-967 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | FRESNO | CA | |
| 209-968 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MODESTO | CA | |
| 209-969 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MANTECA | CA | |
| 209-973 | COMMIO, LLC | 939H | DOS PALOS | CA | |
| 209-974 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | FRESNO | CA | |
| 209-975 | BANDWIDTH.COM CLEC, LLC - CA | 981E | HERALD | CA | |
| 209-976 | CA | ||||
| 209-977 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | FRESNO | CA | |
| 209-978 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | FRESNO | CA | |
| 209-979 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | LOS BANOS | CA | |
| 209-980 | BANDWIDTH.COM CLEC, LLC - CA | 981E | MILTON | CA | |
| 209-981 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | STOCKTON | CA | |
| 209-982 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-983 | PACIFIC BELL | 9740 | STOCKTON | CA | |
| 209-984 | PACIFIC BELL | 9740 | JAMESTOWN | CA | |
| 209-985 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | MODESTO | CA | |
| 209-986 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | STOCKTON | CA | |
| 209-987 | AMERICAN MESSAGING SERVICES, LLC | 9748 | STOCKTON | CA | |
| 209-988 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MODESTO | CA | |
| 209-989 | PACIFIC BELL | 9740 | MOCCASIN | CA | |
| 209-992 | METROPCS, INC. | 5562 | STOCKTON | CA | |
| 209-993 | METROPCS, INC. | 5562 | STOCKTON | CA | |
| 209-995 | AMERICAN MESSAGING SERVICES, LLC | 9748 | STOCKTON | CA | |
| 209-996 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | MODESTO | CA | |
| 209-999 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | FRESNO | CA | |
| 210-200 | AT&T - LOCAL | 7421 | SANANTONIO | TX | |
| 210-203 | AMERICAN MESSAGING SERVICES, LLC | 9748 | SANANTONIO | TX | |
| 210-205 | AMERICAN MESSAGING SERVICES, LLC | 9748 | SANANTONIO | TX |
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.