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 |
|---|---|---|---|---|---|
| 775-240 | NEW CINGULAR WIRELESS PCS, LLC | 6010 | RENO | NV | |
| 775-241 | NEVADA BELL | 9742 | CARSON PL | NV | |
| 775-242 | ONVOY, LLC - NV | 029F | BAKER | NV | |
| 775-243 | ONVOY, LLC - NV | 029F | BATTLE MT | NV | |
| 775-244 | ONVOY, LLC - NV | 029F | BATTLE MT | NV | |
| 775-245 | ONVOY, LLC - NV | 029F | CARSONCITY | NV | |
| 775-246 | NEVADA BELL | 9742 | CARSONCITY | NV | |
| 775-247 | T-MOBILE USA, INC. | 6529 | RENO | NV | |
| 775-248 | ONVOY, LLC - NV | 029F | COTNWD CRK | NV | |
| 775-249 | ONVOY, LLC - NV | 029F | CRYSTALBAY | NV | |
| 775-250 | T-MOBILE USA, INC. | 6529 | RENO | NV | |
| 775-251 | ONVOY, LLC - NV | 029F | ELY | NV | |
| 775-252 | ONVOY, LLC - NV | 029F | EMPIRE | NV | |
| 775-254 | ONVOY, LLC - NV | 029F | EUREKA | NV | |
| 775-255 | ONVOY, LLC - NV | 029F | FERNLEY | NV | |
| 775-256 | ONVOY, LLC - NV | 029F | FISHLK VLY | NV | |
| 775-257 | ONVOY, LLC - NV | 029F | GABBS | NV | |
| 775-258 | ONVOY, LLC - NV | 029F | HAWTHORNE | NV | |
| 775-259 | ONVOY, LLC - NV | 029F | IMLAY | NV | |
| 775-260 | ONVOY, LLC - NV | 029F | RENO | NV | |
| 775-261 | ONVOY, LLC - NV | 029F | SCHURZ | NV | |
| 775-262 | ONVOY, LLC - NV | 029F | SILVER SPG | NV | |
| 775-263 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NV | 6458 | LOVELOCK | NV | |
| 775-264 | ONVOY, LLC - NV | 029F | MCDERMITT | NV | |
| 775-265 | FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - NV | 4421 | GARDNERVL | NV | |
| 775-266 | FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - NV | 4421 | TOPAZ LAKE | NV | |
| 775-267 | FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - NV | 4421 | GARDNERVL | NV | |
| 775-269 | ONVOY, LLC - NV | 029F | MCGILL | NV | |
| 775-272 | HUMBOLDT TELEPHONE COMPANY | 3304 | OROVADA | NV | |
| 775-273 | NEVADA BELL | 9742 | LOVELOCK | NV | |
| 775-278 | ONVOY, LLC - NV | 029F | SILVER SPG | NV | |
| 775-283 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 187G | CARSONCITY | NV | |
| 775-284 | ELECTRIC LIGHTWAVE LLC DBA ALLSTREAM | 187G | RENO | NV | |
| 775-285 | NEVADA BELL | 9742 | GABBS | NV | |
| 775-288 | ONVOY, LLC - NV | 029F | EMPIRE | NV | |
| 775-289 | NEVADA BELL | 9742 | ELY | NV | |
| 775-295 | ONVOY, LLC - NV | 029F | NIXON | NV | |
| 775-298 | CHARTER IP ENABLED SERVICES, LLC | 792K | CRYSTALBAY | NV | |
| 775-305 | ONVOY, LLC - NV | 029F | CARSONCITY | NV | |
| 775-306 | ONVOY, LLC - NV | 029F | CARSONCITY | NV | |
| 775-307 | ONVOY, LLC - NV | 029F | BAKER | NV | |
| 775-309 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NV | 6458 | GARDNERVL | NV | |
| 775-310 | ONVOY, LLC - NV | 029F | ELY | NV | |
| 775-311 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | NV | |
| 775-314 | ONVOY, LLC - NV | 029F | COTNWD CRK | NV | |
| 775-317 | ONVOY, LLC - NV | 029F | HAWTHORNE | NV | |
| 775-319 | LEVEL 3 COMMUNICATIONS, LLC - NV | 4805 | FISHLK VLY | NV | |
| 775-320 | ONVOY, LLC - NV | 029F | MINA | NV | |
| 775-321 | NEVADA BELL | 9742 | RENO | NV | |
| 775-322 | NEVADA BELL | 9742 | RENO | NV |
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.