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 |
|---|---|---|---|---|---|
| 920-851 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | APPLETON | WI | |
| 920-853 | FRONTIER NORTH INC. - WI | 0886 | HILBERT | WI | |
| 920-854 | FRONTIER NORTH INC. - WI | 0886 | SISTER BAY | WI | |
| 920-855 | TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK | 1155 | GILLETT | WI | |
| 920-856 | BRIGHTSPEED OF NORTHEASTERN WISCONSIN, LLC | 0884 | FORESTVL | WI | |
| 920-858 | UNITED STATES CELLULAR - WI | 6274 | APPLETON | WI | |
| 920-863 | BRIGHTSPEED OF CENTRAL WISCONSIN, LLC | 1159 | DENMARK | WI | |
| 920-864 | BRIGHTSPEED OF WESTERN WISCONSIN, LLC | 0970 | WAYSIDE | WI | |
| 920-865 | NORTHEAST TEL. CO. | 0938 | MILLCENTER | WI | |
| 920-866 | BRIGHTSPEED OF CENTRAL WISCONSIN, LLC | 1159 | NEWFRANKEN | WI | |
| 920-867 | BRIGHTSPEED OF WESTERN WISCONSIN, LLC | 0841 | WEYAUWEGA | WI | |
| 920-868 | FRONTIER NORTH INC. - WI | 0886 | EGG HARBOR | WI | |
| 920-869 | NORTHEAST TEL. CO. | 0938 | ONEIDA | WI | |
| 920-872 | BRIGHTSPEED OF CENTRAL WISCONSIN, LLC | 1159 | ROSENDALE | WI | |
| 920-876 | FRONTIER NORTH INC. - WI | 0886 | ELKHART LK | WI | |
| 920-882 | TDS METROCOM, LLC | 520K | APPLETON | WI | |
| 920-883 | WISCONSIN BELL INC | 9327 | GREEN BAY | WI | |
| 920-884 | TDS METROCOM, LLC | 520K | GREEN BAY | WI | |
| 920-885 | WISCONSIN BELL INC | 9327 | BEAVER DAM | WI | |
| 920-886 | TDS METROCOM, LLC | 520K | NEENAH | WI | |
| 920-887 | WISCONSIN BELL INC | 9327 | BEAVER DAM | WI | |
| 920-888 | TELNYX LLC | 073H | GREEN BAY | WI | |
| 920-889 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | SHEBOYGAN | WI | |
| 920-892 | FRONTIER NORTH INC. - WI | 0886 | PLYMOUTH | WI | |
| 920-893 | FRONTIER NORTH INC. - WI | 0886 | PLYMOUTH | WI | |
| 920-894 | FRONTIER NORTH INC. - WI | 0886 | KIEL | WI | |
| 920-897 | BRIGHTSPEED OF WESTERN WISCONSIN, LLC | 0841 | COLEMAN | WI | |
| 920-898 | FRONTIER NORTH INC. - WI | 0886 | NEWHOLSTEN | WI | |
| 920-899 | NORTHEAST TEL. CO. | 0938 | KRAKOW | WI | |
| 920-901 | UNITED STATES CELLULAR - WI | 6274 | MANITOWOC | WI | |
| 920-902 | AMERICAN MESSAGING SERVICES, LLC | 9748 | OSHKOSH | WI | |
| 920-904 | UNITED STATES CELLULAR - WI | 6274 | FONDDU LAC | WI | |
| 920-905 | UNITED STATES CELLULAR - WI | 6274 | MANITOWOC | WI | |
| 920-906 | WISCONSIN BELL INC | 9327 | FONDDU LAC | WI | |
| 920-907 | WISCONSIN BELL INC | 9327 | FONDDU LAC | WI | |
| 920-910 | AMERICAN MESSAGING SERVICES, LLC | 9748 | WATERTOWN | WI | |
| 920-911 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | WI | |
| 920-912 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SHEBOYGAN | WI | |
| 920-913 | TDS METROCOM, LLC | 520K | FONDDU LAC | WI | |
| 920-915 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | APPLETON | WI | |
| 920-917 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SHEBOYGAN | WI | |
| 920-918 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | SHEBOYGAN | WI | |
| 920-919 | AMERICAN MESSAGING SERVICES, LLC | 9748 | SHEBOYGAN | WI | |
| 920-921 | WISCONSIN BELL INC | 9327 | FONDDU LAC | WI | |
| 920-922 | WISCONSIN BELL INC | 9327 | FONDDU LAC | WI | |
| 920-923 | WISCONSIN BELL INC | 9327 | FONDDU LAC | WI | |
| 920-924 | WISCONSIN BELL INC | 9327 | FONDDU LAC | WI | |
| 920-925 | FRONTIER NORTH INC. - WI | 0886 | LEBANON | WI | |
| 920-926 | WISCONSIN BELL INC | 9327 | FONDDU LAC | WI | |
| 920-927 | RIVERSIDE TELCOM, INC. | 0943 | REESEVILLE | WI |
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.