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 |
|---|---|---|---|---|---|
| 210-829 | SOUTHWESTERN BELL | 9533 | SANANTONIO | TX | |
| 210-832 | SOUTHWESTERN BELL | 9533 | SANANTONIO | TX | |
| 210-834 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | SANANTONIO | TX | |
| 210-835 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-836 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-838 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-839 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-841 | SOUTHWESTERN BELL | 9533 | SANANTONIO | TX | |
| 210-842 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | SANANTONIO | TX | |
| 210-843 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-844 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SANANTONIO | TX | |
| 210-845 | TWC IP ENABLED SERVICES, LLC | 793K | SANANTONIO | TX | |
| 210-846 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 6506 | SANANTONIO | TX | |
| 210-849 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-854 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SANANTONIO | TX | |
| 210-856 | SOUTHWESTERN BELL | 9533 | SANANTONIO | TX | |
| 210-857 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-858 | GRANDE COMMUNICATIONS NETWORKS, INC. - TX | 7670 | SANANTONIO | TX | |
| 210-859 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SANANTONIO | TX | |
| 210-860 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SANANTONIO | TX | |
| 210-861 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SANANTONIO | TX | |
| 210-862 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SANANTONIO | TX | |
| 210-863 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SANANTONIO | TX | |
| 210-865 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SANANTONIO | TX | |
| 210-867 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SANANTONIO | TX | |
| 210-869 | SPOK, INC. | 6630 | SANANTONIO | TX | |
| 210-871 | SOUTHWESTERN BELL | 9533 | SANANTONIO | TX | |
| 210-872 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SANANTONIO | TX | |
| 210-874 | BANDWIDTH.COM CLEC, LLC - TX | 004F | SANANTONIO | TX | |
| 210-877 | SOUTHWESTERN BELL | 9533 | SANANTONIO | TX | |
| 210-878 | GRANDE COMMUNICATIONS NETWORKS, INC. - TX | 7670 | SANANTONIO | TX | |
| 210-879 | PEERLESS NETWORK OF TEXAS, LLC - TX | 177F | SANANTONIO | TX | |
| 210-882 | SOUTHWESTERN BELL | 9533 | SANANTONIO | TX | |
| 210-883 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | SANANTONIO | TX | |
| 210-884 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-885 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-886 | SOUTHWESTERN BELL | 9533 | SANANTONIO | TX | |
| 210-887 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-889 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-892 | MATRIX TELECOM, LLC. S/I/I TNCI - TX | 7715 | SANANTONIO | TX | |
| 210-893 | MATRIX TELECOM, LLC. S/I/I TNCI - TX | 7715 | SANANTONIO | TX | |
| 210-900 | T-MOBILE USA, INC. | 6529 | SANANTONIO | TX | |
| 210-905 | ONVOY, LLC - TX | 903C | SANANTONIO | TX | |
| 210-911 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | TX | |
| 210-912 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SANANTONIO | TX | |
| 210-913 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SANANTONIO | TX | |
| 210-916 | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | 8434 | SANANTONIO | TX | |
| 210-921 | SOUTHWESTERN BELL | 9533 | SANANTONIO | TX | |
| 210-922 | SOUTHWESTERN BELL | 9533 | SANANTONIO | TX | |
| 210-923 | SOUTHWESTERN BELL | 9533 | 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.