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 |
|---|---|---|---|---|---|
| 949-680 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | 7718 | SADLBK VLY | CA | |
| 949-681 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | IRVINE | CA | |
| 949-682 | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | CAPITRNVLY | CA | |
| 949-683 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | SADLBK VLY | CA | |
| 949-689 | T-MOBILE USA, INC. | 6529 | IRVINE | CA | |
| 949-697 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | IRVINE | CA | |
| 949-698 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | 7718 | NEWPORTBCH | CA | |
| 949-699 | PACIFIC BELL | 9740 | SADLBK VLY | CA | |
| 949-700 | CA | ||||
| 949-702 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | RNCHOVIEJO | CA | |
| 949-705 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | 7718 | IRVINE | CA | |
| 949-706 | COMCAST PHONE OF CALIFORNIA, LLC | 394L | NEWPORTBCH | CA | |
| 949-707 | PACIFIC BELL | 9740 | SADLBK VLY | CA | |
| 949-709 | COMCAST PHONE OF CALIFORNIA, LLC | 394L | TRABUCO | CA | |
| 949-711 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CA | |
| 949-713 | COMCAST PHONE OF CALIFORNIA, LLC | 394L | TRABUCO | CA | |
| 949-715 | COMCAST PHONE OF CALIFORNIA, LLC | 394L | LAGUNA BCH | CA | |
| 949-716 | COMCAST PHONE OF CALIFORNIA, LLC | 394L | SADLBK VLY | CA | |
| 949-717 | PACIFIC BELL | 9740 | NEWPORTBCH | CA | |
| 949-718 | PACIFIC BELL | 9740 | NEWPORTBCH | CA | |
| 949-719 | PACIFIC BELL | 9740 | NEWPORTBCH | CA | |
| 949-720 | PACIFIC BELL | 9740 | NEWPORTBCH | CA | |
| 949-721 | PACIFIC BELL | 9740 | NEWPORTBCH | CA | |
| 949-722 | PACIFIC BELL | 9740 | NEWPORTBCH | CA | |
| 949-723 | PACIFIC BELL | 9740 | NEWPORTBCH | CA | |
| 949-724 | PACIFIC BELL | 9740 | IRVINE | CA | |
| 949-725 | PACIFIC BELL | 9740 | IRVINE | CA | |
| 949-726 | PACIFIC BELL | 9740 | IRVINE | CA | |
| 949-727 | PACIFIC BELL | 9740 | IRVINE | CA | |
| 949-728 | PACIFIC BELL | 9740 | RNCHOVIEJO | CA | |
| 949-729 | PACIFIC BELL | 9740 | NEWPORTBCH | CA | |
| 949-733 | PACIFIC BELL | 9740 | IRVINE | CA | |
| 949-734 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7139 | NEWPORTBCH | CA | |
| 949-735 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | IRVINE | CA | |
| 949-737 | PACIFIC BELL | 9740 | IRVINE | CA | |
| 949-738 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | IRVINE | CA | |
| 949-743 | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | IRVINE | CA | |
| 949-750 | LEVEL 3 TELECOM OF CALIFORNIA, LP - CA | 7718 | TRABUCO | CA | |
| 949-751 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 671J | IRVINE | CA | |
| 949-752 | PACIFIC BELL | 9740 | IRVINE | CA | |
| 949-753 | PACIFIC BELL | 9740 | IRVINE | CA | |
| 949-754 | PACIFIC BELL | 9740 | IRVINE | CA | |
| 949-756 | PACIFIC BELL | 9740 | IRVINE | CA | |
| 949-757 | PACIFIC BELL | 9740 | IRVINE | CA | |
| 949-759 | PACIFIC BELL | 9740 | NEWPORTBCH | CA | |
| 949-760 | PACIFIC BELL | 9740 | NEWPORTBCH | CA | |
| 949-764 | PACIFIC BELL | 9740 | NEWPORTBCH | CA | |
| 949-766 | PACIFIC BELL | 9740 | TRABUCO | CA | |
| 949-767 | MATRIX TELECOM, LLC. S/I/I TNCI - CA | 7379 | SADLBK VLY | CA | |
| 949-768 | PACIFIC BELL | 9740 | SADLBK VLY | CA |
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.