NumberResearchRecent prefix assignments
369 prefixes assigned in the last 30 days · from the daily NANPA CO code file, 09/18/2026
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
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| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 314-714 | PAETEC ITEL, LLC | 829J | MEHLVILLE | MO | |
| 314-715 | SOUTHWESTERN BELL | 9533 | LADUE | MO | |
| 314-716 | SOUTHWESTERN BELL | 9533 | LADUE | MO | |
| 314-718 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | LADUE | MO | |
| 314-719 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO | |
| 314-720 | LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | CREVECOEUR | MO | |
| 314-721 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO | |
| 314-722 | PAETEC ITEL, LLC | 829J | SAPPINGTON | MO | |
| 314-723 | T-MOBILE USA, INC. | 6529 | ST LOUIS | MO | |
| 314-724 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LADUE | MO | |
| 314-725 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO | |
| 314-726 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO | |
| 314-727 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO | |
| 314-729 | SOUTHWESTERN BELL | 9533 | SAPPINGTON | MO | |
| 314-730 | SOUTHWESTERN BELL | 9533 | SAPPINGTON | MO | |
| 314-731 | SOUTHWESTERN BELL | 9533 | LADUE | MO | |
| 314-732 | LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | ST LOUIS | MO | |
| 314-734 | AMERICAN MESSAGING SERVICES, LLC | 9748 | LADUE | MO | |
| 314-738 | SOUTHWESTERN BELL | 9533 | LADUE | MO | |
| 314-739 | SOUTHWESTERN BELL | 9533 | LADUE | MO | |
| 314-740 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | LADUE | MO | |
| 314-741 | SOUTHWESTERN BELL | 9533 | LADUE | MO | |
| 314-743 | PAETEC ITEL, LLC | 829J | LADUE | MO | |
| 314-744 | ONVOY, LLC - MO | 093F | CREVECOEUR | MO | |
| 314-746 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO | |
| 314-747 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO | |
| 314-748 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO | 7432 | SAPPINGTON | MO | |
| 314-749 | T-MOBILE USA, INC. | 6529 | LADUE | MO | |
| 314-750 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 5814 | LADUE | MO | |
| 314-751 | SPOK, INC. | 6630 | ST LOUIS | MO | |
| 314-752 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO | |
| 314-753 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | LADUE | MO | |
| 314-754 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO | 7432 | ST LOUIS | MO | |
| 314-756 | ONVOY, LLC - MO | 093F | SAPPINGTON | MO | |
| 314-757 | T-MOBILE USA, INC. | 6529 | LADUE | MO | |
| 314-758 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO | |
| 314-761 | T-MOBILE USA, INC. | 6529 | LADUE | MO | |
| 314-762 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO | |
| 314-763 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO | |
| 314-765 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO | |
| 314-766 | LEVEL 3 COMMUNICATIONS, LLC - MO | 4932 | ST LOUIS | MO | |
| 314-767 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO | |
| 314-768 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO | |
| 314-769 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO | |
| 314-770 | SOUTHWESTERN BELL | 9533 | LADUE | MO | |
| 314-771 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO | |
| 314-772 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO | |
| 314-773 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO | |
| 314-775 | PAETEC ITEL, LLC | 829J | KIRKWOOD | MO | |
| 314-776 | SOUTHWESTERN BELL | 9533 | ST LOUIS | MO |
Source: NANPA CO Code Assignments (Utilized, All States, Public), file date 09/18/2026 — Tier A primary source, refreshed on every import. Viewing is free; bulk downloads require a membership.