NumberResearchRecent prefix assignments
355 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
Jul 2026
Jun 2026
May 2026
Apr 2026
Mar 2026
Feb 2026
Jan 2026
Dec 2025
Nov 2025
Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 918-694 | UNITED STATES CELLULAR - OK | 6272 | TULSA | OK | |
| 918-695 | UNITED STATES CELLULAR - OK | 6272 | TULSA | OK | |
| 918-696 | OKLAHOMA WINDSTREAM, INC. | 2011 | STILWELL | OK | |
| 918-697 | UNITED STATES CELLULAR - OK | 6272 | TULSA | OK | |
| 918-698 | UNITED STATES CELLULAR - OK | 6272 | TULSA | OK | |
| 918-699 | SOUTHWESTERN BELL | 9533 | TULSA | OK | |
| 918-700 | OK | ||||
| 918-705 | OKLAHOMA WINDSTREAM, INC. | 2011 | VIAN | OK | |
| 918-711 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | OK | |
| 918-712 | SOUTHWESTERN BELL | 9533 | TULSA | OK | |
| 918-714 | PEERLESS NETWORK OF OKLAHOMA, LLC - OK | 384H | TULSA | OK | |
| 918-717 | PAGING TULSA, INC. | 6840 | TULSA | OK | |
| 918-721 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | POTEAU | OK | |
| 918-722 | SHIDLER TEL. CO. | 2023 | FORAKER | OK | |
| 918-723 | SOUTHWESTERN BELL | 9533 | WESTVILLE | OK | |
| 918-724 | UNITED STATES CELLULAR - OK | 6272 | TULSA | OK | |
| 918-728 | COMCAST IP PHONE, LLC | 318J | TULSA | OK | |
| 918-729 | SOUTHWESTERN BELL | 9533 | DRUMRIGHT | OK | |
| 918-730 | SOUTHWESTERN BELL | 9533 | TULSA | OK | |
| 918-732 | SOUTHWESTERN BELL | 9533 | TULSA | OK | |
| 918-733 | VALOR TELECOM TX.LP-OK DBA WINDSTREAM COMM SW | 1165 | MORRIS | OK | |
| 918-738 | SOUTHWESTERN BELL | 9533 | RALSTON | OK | |
| 918-739 | PAETEC ITEL, LLC | 829J | CATOOSA | OK | |
| 918-740 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | TULSA | OK | |
| 918-741 | PAGE PLUS, INC. | 9671 | TULSA | OK | |
| 918-742 | SOUTHWESTERN BELL | 9533 | TULSA | OK | |
| 918-743 | SOUTHWESTERN BELL | 9533 | TULSA | OK | |
| 918-744 | SOUTHWESTERN BELL | 9533 | TULSA | OK | |
| 918-745 | SOUTHWESTERN BELL | 9533 | TULSA | OK | |
| 918-746 | SOUTHWESTERN BELL | 9533 | TULSA | OK | |
| 918-747 | SOUTHWESTERN BELL | 9533 | TULSA | OK | |
| 918-748 | SOUTHWESTERN BELL | 9533 | TULSA | OK | |
| 918-749 | SOUTHWESTERN BELL | 9533 | TULSA | OK | |
| 918-750 | PAGE PLUS, INC. | 9671 | TULSA | OK | |
| 918-751 | PAGE PLUS, INC. | 9671 | TULSA | OK | |
| 918-752 | SOUTHWESTERN BELL | 9533 | OKMULGEE | OK | |
| 918-753 | OKLAHOMA WESTERN TEL. CO. | 2014 | LEFLORE | OK | |
| 918-754 | OKLAHOMA WESTERN TEL. CO. | 2014 | RED OAK | OK | |
| 918-755 | OKLAHOMA WESTERN TEL. CO. | 2014 | NASHOBA | OK | |
| 918-756 | SOUTHWESTERN BELL | 9533 | OKMULGEE | OK | |
| 918-757 | CIMARRON TEL. CO. | 1982 | JENNINGS | OK | |
| 918-758 | SOUTHWESTERN BELL | 9533 | OKMULGEE | OK | |
| 918-759 | SOUTHWESTERN BELL | 9533 | OKMULGEE | OK | |
| 918-760 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | TULSA | OK | |
| 918-761 | SPOK, INC. | 6630 | TULSA | OK | |
| 918-762 | SOUTHWESTERN BELL | 9533 | PAWNEE | OK | |
| 918-763 | SPOK, INC. | 6630 | TULSA | OK | |
| 918-764 | SOUTHWESTERN BELL | 9533 | TULSA | OK | |
| 918-765 | SHIDLER TEL. CO. | 2023 | WEBB CITY | OK | |
| 918-766 | SOUTHWESTERN BELL | 9533 | BARTLESVL | OK |
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.