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
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 743-958 | NC | ||||
| 743-959 | NC | ||||
| 743-976 | NC | ||||
| 747-210 | TELEPORT COMMUNICATIONS AMERICA, LLC - CA | 7139 | SNFN SNFN | CA | |
| 747-211 | MULTIPLE OCN LISTING | MULT | CA | ||
| 747-222 | BANDWIDTH.COM CLEC, LLC - CA | 981E | AGOURA | CA | |
| 747-236 | BANDWIDTH.COM CLEC, LLC - CA | 981E | SNFN SPLV | CA | |
| 747-245 | ONVOY, LLC - CA | 649C | BRBN SNVY | CA | |
| 747-249 | PEERLESS NETWORK OF CALIFORNIA, LLC - CA | 373F | CANOGAPARK | CA | |
| 747-258 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | BRBN BRBN | CA | |
| 747-294 | TWILIO INTERNATIONAL, INC. | 506J | SNFN SNFN | CA | |
| 747-296 | T-MOBILE USA, INC. | 6529 | BRBN BRBN | CA | |
| 747-300 | ONVOY, LLC - CA | 649C | SNFN GRHL | CA | |
| 747-311 | MULTIPLE OCN LISTING | MULT | CA | ||
| 747-314 | T-MOBILE USA, INC. | 6529 | BRBN BRBN | CA | |
| 747-333 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | BRBN BRBN | CA | |
| 747-334 | BANDWIDTH.COM CLEC, LLC - CA | 981E | AGOURA | CA | |
| 747-346 | ONVOY, LLC - CA | 649C | SUNLD TJNG | CA | |
| 747-400 | ONVOY, LLC - CA | 649C | BRBN BRBN | CA | |
| 747-411 | MULTIPLE OCN LISTING | MULT | CA | ||
| 747-444 | ONVOY, LLC - CA | 649C | CANOGAPARK | CA | |
| 747-465 | METROPCS NETWORKS, LLC | 899D | VAN NUYS | CA | |
| 747-477 | ONVOY, LLC - CA | 649C | BRBN BRBN | CA | |
| 747-500 | ONVOY, LLC - CA | 649C | SNFN SNFN | CA | |
| 747-511 | MULTIPLE OCN LISTING | MULT | CA | ||
| 747-529 | ONVOY, LLC - CA | 649C | SNFN SPLV | CA | |
| 747-555 | MULTIPLE OCN LISTING | MULT | DIR ASST | CA | |
| 747-600 | ONVOY, LLC - CA | 649C | SNFN GRHL | CA | |
| 747-611 | MULTIPLE OCN LISTING | MULT | CA | ||
| 747-666 | ONVOY, LLC - CA | 649C | AGOURA | CA | |
| 747-700 | CA | ||||
| 747-711 | MULTIPLE OCN LISTING | MULT | CA | ||
| 747-737 | ONVOY, LLC - CA | 649C | PSDN LACN | CA | |
| 747-777 | BANDWIDTH.COM CLEC, LLC - CA | 981E | CANOGAPARK | CA | |
| 747-800 | ONVOY, LLC - CA | 649C | CANOGAPARK | CA | |
| 747-811 | MULTIPLE OCN LISTING | MULT | CA | ||
| 747-853 | CA | ||||
| 747-888 | TWC IP ENABLED SERVICES, LLC | 793K | CANOGAPARK | CA | |
| 747-895 | ONVOY, LLC - CA | 649C | LACRSCENTA | CA | |
| 747-900 | ONVOY, LLC - CA | 649C | CANOGAPARK | CA | |
| 747-911 | MULTIPLE OCN LISTING | MULT | CA | ||
| 747-950 | CA | ||||
| 747-958 | CA | ||||
| 747-959 | CA | ||||
| 747-976 | CA | ||||
| 747-999 | BANDWIDTH.COM CLEC, LLC - CA | 981E | SNFN SNFN | CA | |
| 748-211 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CO | |
| 748-311 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CO | |
| 748-411 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CO | |
| 748-511 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | CO |
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.