All assignees
799 prefixes in 920 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 920-700 | — | — | ||
| 920-701 | LOMIRA | 6529 | 2021-08-04 | Yes |
| 920-702 | APPLETON | 520K | 2014-09-03 | — |
| 920-703 | OSHKOSH | 9748 | — | — |
| 920-704 | GREEN BAY | 9748 | — | — |
| 920-705 | GREEN BAY | 9748 | — | — |
| 920-706 | WINNECONNE | 516C | 2006-09-10 | Yes |
| 920-707 | APPLETON | 520K | 2014-09-03 | — |
| 920-708 | ALGOMA | 6534 | 2022-08-09 | Yes |
| 920-709 | JUNEAU | 829J | 2011-11-09 | Yes |
| 920-710 | HORTONVL | 007F | 2007-03-27 | Yes |
| 920-711 | XXXXXXXXXX | MULT | — | — |
| 920-712 | GREEN BAY | 520K | — | Yes |
| 920-713 | GREEN BAY | 520K | — | Yes |
| 920-714 | APPLETON | 6529 | 2022-02-09 | Yes |
| 920-715 | CEDARGROVE | 624H | 2024-10-11 | Yes |
| 920-716 | APPLETON | 6508 | — | — |
| 920-717 | MANITOWOC | 318J | 2014-02-18 | Yes |
| 920-718 | OSHKOSH | 225C | — | Yes |
| 920-719 | GREEN BAY | 671J | 2026-09-03 | Yes |
| 920-720 | NEENAH | 9327 | — | — |
| 920-721 | NEENAH | 9327 | — | — |
| 920-722 | NEENAH | 9327 | — | — |
| 920-723 | FTATKINSON | 6274 | — | Yes |
| 920-724 | STURGEONBY | 6183 | — | Yes |
| 920-725 | NEENAH | 9327 | — | — |
| 920-726 | NEWTON | 0896 | — | — |
| 920-727 | NEENAH | 9327 | — | — |
| 920-728 | FTATKINSON | 6274 | 2001-04-03 | Yes |
| 920-729 | NEENAH | 9327 | — | — |
| 920-730 | APPLETON | 9327 | — | — |
| 920-731 | APPLETON | 9327 | — | — |
| 920-732 | WHITELAW | 0886 | — | Yes |
| 920-733 | APPLETON | 9327 | — | — |
| 920-734 | APPLETON | 9327 | — | — |
| 920-735 | APPLETON | 9327 | — | — |
| 920-736 | FONDDU LAC | 6630 | — | — |
| 920-737 | GREEN BAY | 6508 | — | — |
| 920-738 | APPLETON | 9327 | — | — |
| 920-739 | APPLETON | 9327 | — | — |
| 920-740 | APPLETON | 6508 | — | — |
| 920-741 | BRUSSELS | 792K | 2008-02-20 | Yes |
| 920-742 | KAUKAUNA | 516J | 2022-01-14 | Yes |
| 920-743 | STURGEONBY | 9327 | — | — |
| 920-744 | OSHKOSH | 5489 | — | Yes |
| 920-745 | RIPON | 0922 | — | Yes |
| 920-746 | STURGEONBY | 9327 | — | — |
| 920-747 | JEFFERSON | 6529 | — | Yes |
| 920-748 | RIPON | 0922 | — | — |
| 920-749 | APPLETON | 9327 | — | — |
| 920-750 | APPLETON | 6534 | 2005-11-09 | Yes |
| 920-751 | NEENAH | 9327 | — | — |
| 920-752 | REDGRANITE | 516J | 2022-02-11 | Yes |
| 920-753 | MT CALVARY | 0886 | — | Yes |
| 920-754 | REEDSVILLE | 0886 | — | Yes |
| 920-755 | MISHICOT | 0886 | — | Yes |
| 920-756 | BRILLION | 0886 | — | Yes |
| 920-757 | APPLETON | 9327 | — | Yes |
| 920-758 | NEWTONBURG | 0896 | — | — |
| 920-759 | KAUKAUNA | 9327 | — | Yes |
| 920-760 | APPLETON | 5489 | 2022-12-06 | Yes |
| 920-761 | CLYMAN | 732J | 2023-02-06 | Yes |
| 920-762 | KIEL | 6692 | 2003-02-27 | Yes |
| 920-763 | BEAVER DAM | 7322 | — | Yes |
| 920-764 | WRIGHTSTN | 6692 | 2003-02-28 | Yes |
| 920-765 | WAUTOMA | 6534 | — | Yes |
| 920-766 | KAUKAUNA | 9327 | — | — |
| 920-767 | MARKESAN | 792K | 2007-03-30 | Yes |
| 920-768 | FALL RIVER | 698E | 2005-08-28 | Yes |
| 920-769 | MANITOWOC | 829J | 2001-02-08 | Yes |
| 920-770 | GREEN BAY | 227F | 2014-05-08 | Yes |
| 920-771 | MILLCENTER | 793K | 2009-05-12 | Yes |
| 920-772 | COLLINS | 0914 | — | Yes |
| 920-773 | ST NAZIANZ | 0914 | — | Yes |
| 920-774 | WILD ROSE | 792K | 2008-02-28 | Yes |
| 920-775 | VALDERS | 0914 | — | Yes |
| 920-776 | TISCHMILLS | 0954 | — | Yes |
| 920-777 | GREEN BAY | 225C | 2015-01-27 | Yes |
| 920-778 | LARSEN | 793K | 2006-08-22 | Yes |
| 920-779 | HORTONVL | 9327 | — | Yes |
| 920-780 | NEENAH | 732J | 2023-02-06 | Yes |
| 920-781 | ELKHART LK | 793K | — | Yes |
| 920-782 | CLEVELAND | 793K | — | Yes |
| 920-783 | SHEBOYGAN | 829J | 2001-02-08 | Yes |
| 920-784 | GREEN BAY | 225C | 2006-02-13 | Yes |
| 920-785 | GREEN BAY | 225C | 2008-10-23 | Yes |
| 920-786 | HORICON | 6529 | — | Yes |
| 920-787 | WAUTOMA | 1159 | — | Yes |
| 920-788 | LTL CHUTE | 9327 | — | — |
| 920-789 | BERLIN | 6534 | — | Yes |
| 920-790 | NEWFRANKEN | 624H | 2021-05-26 | Yes |
| 920-791 | BEAVER DAM | 6529 | — | Yes |
| 920-792 | NEWTON | 516J | 2022-02-14 | Yes |
| 920-793 | TWO RIVERS | 0886 | — | Yes |
| 920-794 | TWO RIVERS | 0886 | — | Yes |
| 920-795 | JOHNSBURG | 0886 | — | Yes |
| 920-796 | WHITELAW | 5489 | 2002-08-21 | Yes |
| 920-797 | KIEL | 5489 | 2002-08-21 | Yes |
| 920-798 | LEBANON | 5489 | 2002-08-21 | Yes |
| 920-799 | JOHNSBURG | 5489 | 2002-08-21 | Yes |
These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.