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
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 947-911 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | MI | |
| 947-950 | MI | ||||
| 947-958 | MI | ||||
| 947-959 | MI | ||||
| 947-976 | MI | ||||
| 948-211 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | VA | |
| 948-311 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | VA | |
| 948-411 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | VA | |
| 948-511 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | VA | |
| 948-555 | MULTIPLE OCN LISTING | MULT | DIR ASST | VA | |
| 948-611 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | VA | |
| 948-700 | VA | ||||
| 948-711 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | VA | |
| 948-811 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | VA | |
| 948-911 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | VA | |
| 948-950 | VA | ||||
| 948-958 | VA | ||||
| 948-959 | VA | ||||
| 948-976 | VA | ||||
| 949-200 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | NEWPORTBCH | CA | |
| 949-201 | T-MOBILE USA, INC. | 6529 | CAPITRNVLY | CA | |
| 949-202 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | IRVINE | CA | |
| 949-203 | ONVOY, LLC - CA | 649C | SADLBK VLY | CA | |
| 949-204 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | LAGUNA BCH | CA | |
| 949-205 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | NEWPORTBCH | CA | |
| 949-206 | PACIFIC BELL | 9740 | SADLBK VLY | CA | |
| 949-207 | LEVEL 3 COMMUNICATIONS, LLC - CA | 8826 | TRABUCO | CA | |
| 949-209 | MATRIX TELECOM, LLC. S/I/I TNCI - CA | 7379 | NEWPORTBCH | CA | |
| 949-211 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CA | |
| 949-215 | COMCAST PHONE OF CALIFORNIA, LLC | 394L | SADLBK VLY | CA | |
| 949-216 | COMCAST PHONE OF CALIFORNIA, LLC | 394L | TRABUCO | CA | |
| 949-218 | COMCAST PHONE OF CALIFORNIA, LLC | 394L | CAPITRNVLY | CA | |
| 949-219 | PACIFIC BELL | 9740 | NEWPORTBCH | CA | |
| 949-220 | BANDWIDTH.COM CLEC, LLC - CA | 981E | NEWPORTBCH | CA | |
| 949-221 | PACIFIC BELL | 9740 | IRVINE | CA | |
| 949-222 | PACIFIC BELL | 9740 | IRVINE | CA | |
| 949-223 | PACIFIC BELL | 9740 | IRVINE | CA | |
| 949-224 | PACIFIC BELL | 9740 | IRVINE | CA | |
| 949-225 | PACIFIC BELL | 9740 | IRVINE | CA | |
| 949-226 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7139 | CAPITRNVLY | CA | |
| 949-228 | T-MOBILE USA, INC. | 6529 | LAGUNA BCH | CA | |
| 949-229 | BANDWIDTH.COM CLEC, LLC - CA | 981E | TRABUCO | CA | |
| 949-230 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | NEWPORTBCH | CA | |
| 949-231 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 7229 | IRVINE | CA | |
| 949-233 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | IRVINE | CA | |
| 949-234 | PACIFIC BELL | 9740 | CAPITRNVLY | CA | |
| 949-235 | T-MOBILE USA, INC. | 6529 | LAGUNA BCH | CA | |
| 949-240 | PACIFIC BELL | 9740 | CAPITRNVLY | CA | |
| 949-241 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | IRVINE | CA | |
| 949-243 | PACIFIC BELL | 9740 | SADLBK VLY | CA |
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.