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
Aug 2026
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 214-802 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | GRANDPRARI | TX | |
| 214-803 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | GRANDPRARI | TX | |
| 214-804 | SPOK, INC. | 6630 | GRANDPRARI | TX | |
| 214-806 | SOUTHWESTERN BELL | 9533 | GRANDPRARI | TX | |
| 214-808 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | GRANDPRARI | TX | |
| 214-811 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | TX | |
| 214-812 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-815 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-816 | AMERICAN MESSAGING SERVICES, LLC | 9748 | GRANDPRARI | TX | |
| 214-818 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-819 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-820 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-821 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-822 | SPOK, INC. | 6630 | GRANDPRARI | TX | |
| 214-823 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-824 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-825 | SPOK, INC. | 6630 | GRANDPRARI | TX | |
| 214-826 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-827 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-828 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-831 | BANDWIDTH.COM CLEC, LLC - TX | 004F | ANNA | TX | |
| 214-832 | SPOK, INC. | 6630 | GRANDPRARI | TX | |
| 214-834 | SPOK, INC. | 6630 | GRANDPRARI | TX | |
| 214-835 | SPOK, INC. | 6630 | GRANDPRARI | TX | |
| 214-837 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-838 | ONVOY, LLC - TX | 903C | DALLAS | TX | |
| 214-840 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-841 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-844 | EXIANT COMMUNICATIONS LLC | 114J | DALLAS | TX | |
| 214-845 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-847 | SPOK, INC. | 6630 | GRANDPRARI | TX | |
| 214-848 | SPOK, INC. | 6630 | GRANDPRARI | TX | |
| 214-849 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-850 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | GRANDPRARI | TX | |
| 214-851 | BANDWIDTH.COM CLEC, LLC - TX | 004F | CELINA | TX | |
| 214-852 | SPOK, INC. | 6630 | GRANDPRARI | TX | |
| 214-853 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-854 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-855 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-857 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-858 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-859 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-860 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-861 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-863 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-868 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-869 | T-MOBILE USA, INC. | 6529 | GRANDPRARI | TX | |
| 214-871 | SOUTHWESTERN BELL | 9533 | DALLAS | TX | |
| 214-873 | LEVEL 3 OF TELECOM OF TEXAS, LLC - TX | 7516 | DALLAS | TX | |
| 214-874 | SOUTHWESTERN BELL | 9533 | DALLAS | TX |
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.