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 |
|---|---|---|---|---|---|
| 920-765 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | WAUTOMA | WI | |
| 920-766 | WISCONSIN BELL INC | 9327 | KAUKAUNA | WI | |
| 920-772 | EASTCOAST TELECOM, INC. | 0914 | COLLINS | WI | |
| 920-773 | EASTCOAST TELECOM, INC. | 0914 | ST NAZIANZ | WI | |
| 920-775 | EASTCOAST TELECOM, INC. | 0914 | VALDERS | WI | |
| 920-776 | STOCKBRIDGE & SHERWOOD TEL. CO. | 0954 | TISCHMILLS | WI | |
| 920-779 | WISCONSIN BELL INC | 9327 | HORTONVL | WI | |
| 920-781 | TWC IP ENABLED SERVICES, LLC | 793K | ELKHART LK | WI | |
| 920-782 | TWC IP ENABLED SERVICES, LLC | 793K | CLEVELAND | WI | |
| 920-786 | T-MOBILE USA, INC. | 6529 | HORICON | WI | |
| 920-787 | BRIGHTSPEED OF CENTRAL WISCONSIN, LLC | 1159 | WAUTOMA | WI | |
| 920-788 | WISCONSIN BELL INC | 9327 | LTL CHUTE | WI | |
| 920-789 | NEW CINGULAR WIRELESS PCS, LLC - IL | 6534 | BERLIN | WI | |
| 920-791 | T-MOBILE USA, INC. | 6529 | BEAVER DAM | WI | |
| 920-793 | FRONTIER NORTH INC. - WI | 0886 | TWO RIVERS | WI | |
| 920-794 | FRONTIER NORTH INC. - WI | 0886 | TWO RIVERS | WI | |
| 920-795 | FRONTIER NORTH INC. - WI | 0886 | JOHNSBURG | WI | |
| 920-800 | ONVOY, LLC - WI | 225C | SHERWOOD | WI | |
| 920-801 | AMERICAN MESSAGING SERVICES, LLC | 9748 | FONDDU LAC | WI | |
| 920-803 | WISCONSIN BELL INC | 9327 | SHEBOYGAN | WI | |
| 920-810 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | APPLETON | WI | |
| 920-811 | MULTIPLE OCN LISTING | MULT | XXXXXXXXXX | WI | |
| 920-820 | UNITED STATES CELLULAR - WI | 6274 | BEAVER DAM | WI | |
| 920-821 | PAETEC ITEL, LLC | 829J | BEAVER DAM | WI | |
| 920-822 | NORTHEAST TEL. CO. | 0938 | PULASKI | WI | |
| 920-823 | FRONTIER NORTH INC. - WI | 0886 | JACKSONPT | WI | |
| 920-824 | BRIGHTSPEED OF NORTHEASTERN WISCONSIN, LLC | 0884 | LTLSTURGEN | WI | |
| 920-825 | BRIGHTSPEED OF NORTHEASTERN WISCONSIN, LLC | 0884 | BRUSSELS | WI | |
| 920-826 | BAYLAND TEL., INC. | 0925 | ABRAMS | WI | |
| 920-828 | TWC IP ENABLED SERVICES, LLC | 793K | HOWARDSGRV | WI | |
| 920-829 | BRIGHTSPEED OF WESTERN WISCONSIN, LLC | 0841 | LENA | WI | |
| 920-830 | WISCONSIN BELL INC | 9327 | APPLETON | WI | |
| 920-831 | WISCONSIN BELL INC | 9327 | APPLETON | WI | |
| 920-832 | WISCONSIN BELL INC | 9327 | APPLETON | WI | |
| 920-833 | BRIGHTSPEED OF CENTRAL WISCONSIN, LLC | 1159 | SEYMOUR | WI | |
| 920-834 | BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC | 0924 | OCONTO | WI | |
| 920-835 | BAYLAND TELEPHONE, LLC | 8614 | OCONTO | WI | |
| 920-836 | BRIGHTSPEED OF EAST CENTRAL WISCONSIN, LLC | 0898 | LARSEN | WI | |
| 920-837 | BRIGHTSPEED OF WESTERN WISCONSIN, LLC | 0857 | CASCO | WI | |
| 920-839 | FRONTIER NORTH INC. - WI | 0886 | BAILEYSHBR | WI | |
| 920-840 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | APPLETON | WI | |
| 920-841 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | APPLETON | WI | |
| 920-842 | TELEPHONE USA OF WISCONSIN, LLC DBA CENTURYLINK | 1155 | SURING | WI | |
| 920-843 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | APPLETON | WI | |
| 920-845 | BRIGHTSPEED OF CENTRAL WISCONSIN, LLC | 1159 | LUXEMBURG | WI | |
| 920-846 | BRIGHTSPEED OF NORTH CENTRAL WISCONSIN, LLC | 0924 | OCONTO FLS | WI | |
| 920-847 | FRONTIER NORTH INC. - WI | 0886 | WASHIGTNIS | WI | |
| 920-848 | BAYLAND TELEPHONE, LLC | 8614 | OCONTO FLS | WI | |
| 920-849 | FRONTIER NORTH INC. - WI | 0886 | CHILTON | WI | |
| 920-850 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI | 6508 | APPLETON | 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.