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
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Oct 2025
| Assigned | NPA-NXX | Assignee | OCN | Rate center | State |
|---|---|---|---|---|---|
| 920-928 | BRIGHTSPEED OF SOUTHERN WISCONSIN, LLC | 0931 | FOX LAKE | WI | |
| 920-929 | WISCONSIN BELL INC | 9327 | FONDDU LAC | WI | |
| 920-941 | T-MOBILE USA, INC. | 6529 | WATERTOWN | WI | |
| 920-946 | UNITED STATES CELLULAR - WI | 6274 | SHEBOYGAN | WI | |
| 920-948 | UNITED STATES CELLULAR - WI | 6274 | FONDDU LAC | WI | |
| 920-950 | WI | ||||
| 920-954 | WISCONSIN BELL INC | 9327 | APPLETON | WI | |
| 920-958 | WI | ||||
| 920-959 | WI | ||||
| 920-960 | UNITED STATES CELLULAR - WI | 6274 | FONDDU LAC | WI | |
| 920-964 | PAETEC ITEL, LLC | 829J | DE PERE | WI | |
| 920-965 | PAETEC ITEL, LLC | 829J | GREEN BAY | WI | |
| 920-966 | PAETEC ITEL, LLC | 829J | OSHKOSH | WI | |
| 920-967 | PAETEC ITEL, LLC | 829J | NEENAH | WI | |
| 920-968 | PAETEC ITEL, LLC | 829J | APPLETON | WI | |
| 920-969 | WISCONSIN BELL INC | 9327 | NEENAH | WI | |
| 920-970 | METROPCS, INC. | 5562 | FONDDU LAC | WI | |
| 920-973 | NEW CELL DBA CELLCOM | 6692 | MANITOWOC | WI | |
| 920-976 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | WI | |
| 920-979 | UNITED STATES CELLULAR - WI | 6274 | FONDDU LAC | WI | |
| 920-980 | UNITED STATES CELLULAR - WI | 6274 | SHEBOYGAN | WI | |
| 920-982 | WISCONSIN BELL INC | 9327 | NEW LONDON | WI | |
| 920-983 | WISCONSIN BELL INC | 9327 | DE PERE | WI | |
| 920-984 | BRIGHTSPEED OF CENTRAL WISCONSIN, LLC | 1159 | BLACKCREEK | WI | |
| 920-986 | BRIGHTSPEED OF CENTRAL WISCONSIN, LLC | 1159 | SHIOCTON | WI | |
| 920-987 | BRIGHTSPEED OF WESTERN WISCONSIN, LLC | 0841 | POY SIPPI | WI | |
| 920-988 | UNITED STATES CELLULAR - WI | 6274 | WATERTOWN | WI | |
| 920-989 | STOCKBRIDGE & SHERWOOD TEL. CO. | 0954 | SHERWOOD | WI | |
| 920-991 | WISCONSIN BELL INC | 9327 | APPLETON | WI | |
| 920-992 | BRIGHTSPEED OF SOUTHERN WISCONSIN, LLC | 0931 | RIO | WI | |
| 920-993 | WISCONSIN BELL INC | 9327 | APPLETON | WI | |
| 920-994 | FRONTIER NORTH INC. - WI | 0886 | RANDOMLAKE | WI | |
| 920-996 | WISCONSIN BELL INC | 9327 | APPLETON | WI | |
| 920-997 | WISCONSIN BELL INC | 9327 | APPLETON | WI | |
| 920-999 | FRONTIER NORTH INC. - WI | 0886 | ST CLOUD | WI | |
| 924-211 | MN | ||||
| 924-311 | MN | ||||
| 924-411 | MN | ||||
| 924-511 | MN | ||||
| 924-555 | MN | ||||
| 924-611 | MN | ||||
| 924-700 | MN | ||||
| 924-711 | MN | ||||
| 924-811 | MN | ||||
| 924-911 | MN | ||||
| 924-950 | MN | ||||
| 924-958 | MN | ||||
| 924-959 | MN | ||||
| 924-976 | MN | ||||
| 925-200 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 6006 | PLEASANTON | 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.