All assignees
799 prefixes in 920 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 920-600 | GREEN BAY | 225C | 2015-11-17 | Yes |
| 920-601 | WRIGHTSTN | 227F | 2019-09-05 | Yes |
| 920-602 | FONDDU LAC | 6534 | 2001-02-05 | Yes |
| 920-603 | STURGEONBY | 6529 | 2005-12-03 | Yes |
| 920-604 | ABRAMS | 6692 | — | — |
| 920-605 | JEFFERSON | 6529 | — | Yes |
| 920-606 | GREEN BAY | 6692 | — | — |
| 920-607 | CAMPBELSPT | 624H | 2021-05-27 | Yes |
| 920-608 | WATERLOO | 839J | 2024-10-08 | Yes |
| 920-609 | GREEN BAY | 6692 | — | — |
| 920-610 | GREEN BAY | 829J | 2022-02-25 | Yes |
| 920-611 | XXXXXXXXXX | MULT | — | — |
| 920-612 | REESEVILLE | 225C | 2021-07-14 | Yes |
| 920-613 | GREEN BAY | 6692 | — | — |
| 920-614 | RIO | 225C | — | Yes |
| 920-615 | GREEN BAY | 6692 | — | — |
| 920-616 | APPLETON | 6630 | — | — |
| 920-617 | GREEN BAY | 6183 | — | — |
| 920-618 | SURING | 6534 | — | Yes |
| 920-619 | GREEN BAY | 6692 | — | — |
| 920-620 | KINGSTON | 698E | — | Yes |
| 920-621 | GREEN BAY | 6692 | — | — |
| 920-622 | WILD ROSE | 0922 | — | Yes |
| 920-623 | COLUMBUS | 9327 | — | Yes |
| 920-624 | ST CLOUD | 5489 | 2003-03-03 | Yes |
| 920-625 | NEOSHO | 0886 | — | Yes |
| 920-626 | COLUMBUS | 7216 | — | Yes |
| 920-627 | SHEBOYGAN | 6274 | — | Yes |
| 920-628 | APPLETON | 9327 | 2001-02-06 | — |
| 920-629 | MANITOWOC | 6508 | — | — |
| 920-630 | COLUMBUS | 6274 | — | Yes |
| 920-631 | BEAVER DAM | 516C | 2010-01-14 | Yes |
| 920-632 | DE PERE | 7216 | — | Yes |
| 920-633 | SISTER BAY | 698E | 2009-05-21 | Yes |
| 920-634 | GREEN BAY | 7216 | — | Yes |
| 920-635 | PLYMOUTH | 508J | — | Yes |
| 920-636 | APPLETON | 6508 | — | Yes |
| 920-637 | NEENAH | 6274 | — | Yes |
| 920-638 | FONDDU LAC | 7216 | — | Yes |
| 920-639 | GREEN BAY | 6692 | — | — |
| 920-640 | JEFFERSON | 9748 | — | — |
| 920-641 | GREEN BAY | 841H | 2021-07-15 | Yes |
| 920-642 | OSHKOSH | 6692 | — | Yes |
| 920-643 | HORICON | 7216 | 2002-04-15 | Yes |
| 920-644 | MAYVILLE | 7216 | 2002-04-15 | Yes |
| 920-645 | MANITOWOC | 5489 | — | Yes |
| 920-646 | CLEVELAND | 6692 | 2003-02-27 | Yes |
| 920-647 | WAUTOMA | 6274 | 2004-04-05 | Yes |
| 920-648 | LAKE MILLS | 0886 | — | Yes |
| 920-649 | ONEIDA | 793K | 2009-05-11 | Yes |
| 920-650 | JEFFERSON | 6534 | — | Yes |
| 920-651 | OSHKOSH | 520K | — | Yes |
| 920-652 | MANITOWOC | 9327 | — | Yes |
| 920-653 | MAPLETON | 5489 | 2002-08-21 | Yes |
| 920-654 | MISHICOT | 5489 | 2002-08-21 | Yes |
| 920-655 | GREEN BAY | 6692 | — | — |
| 920-656 | NEOSHO | 5489 | 2002-08-21 | Yes |
| 920-657 | TWO RIVERS | 5489 | 2002-08-21 | Yes |
| 920-658 | OMRO | 225C | — | Yes |
| 920-659 | APPLETON | 007F | 2008-10-03 | Yes |
| 920-660 | GREEN BAY | 6692 | — | — |
| 920-661 | GREEN BAY | 9327 | — | Yes |
| 920-662 | GREEN BAY | 9327 | — | Yes |
| 920-663 | MANITOWOC | 7216 | — | Yes |
| 920-664 | GREEN BAY | 6534 | — | Yes |
| 920-665 | GREEN BAY | 6630 | — | — |
| 920-666 | APPLETON | 225C | 2015-12-01 | Yes |
| 920-667 | READFIELD | 0898 | — | Yes |
| 920-668 | CEDARGROVE | 0886 | — | Yes |
| 920-669 | MAYVILLE | 6508 | 2020-04-27 | Yes |
| 920-670 | JOHNSBURG | 792K | 2006-05-25 | Yes |
| 920-671 | OCONTO FLS | 6534 | — | Yes |
| 920-672 | LENA | 6534 | — | Yes |
| 920-673 | SISTER BAY | 225C | 2021-07-26 | Yes |
| 920-674 | JEFFERSON | 9327 | — | — |
| 920-675 | JEFFERSON | 9327 | — | Yes |
| 920-676 | GREEN BAY | 6692 | — | — |
| 920-677 | NEWFRANKEN | 6534 | 2017-12-20 | Yes |
| 920-678 | ST CLOUD | 965H | 2019-05-23 | Yes |
| 920-679 | WATERTOWN | 225C | 2021-07-27 | Yes |
| 920-680 | GREEN BAY | 6692 | — | — |
| 920-681 | MANITOWOC | 6529 | — | Yes |
| 920-682 | MANITOWOC | 9327 | — | — |
| 920-683 | MANITOWOC | 9327 | — | — |
| 920-684 | MANITOWOC | 9327 | — | — |
| 920-685 | OMRO | 9327 | — | Yes |
| 920-686 | MANITOWOC | 9327 | — | — |
| 920-687 | LTL CHUTE | 9327 | — | Yes |
| 920-688 | VAN DYNE | 9327 | — | Yes |
| 920-689 | BURNETT | 9327 | — | Yes |
| 920-690 | LTL CHUTE | 225C | 2019-10-10 | Yes |
| 920-691 | FTATKINSON | 829J | — | Yes |
| 920-692 | MANAWA | 698E | 2009-10-23 | Yes |
| 920-693 | CLEVELAND | 0914 | — | Yes |
| 920-694 | SHEBOYGAN | 829J | — | Yes |
| 920-695 | STURGEONBY | 225C | 2003-06-30 | Yes |
| 920-696 | CLYMAN | 0886 | — | Yes |
| 920-697 | TISCHMILLS | 698E | 2007-11-08 | Yes |
| 920-698 | SHEBOYGAN | 6534 | 2001-02-05 | Yes |
| 920-699 | JOHNSONCRK | 0943 | — | 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.