LEVEL 3 COMMUNICATIONS, LLC - WI
46 prefixes in 920 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 920-227 | GREEN BAY | 5489 | — | Yes |
| 920-234 | SHEBOGNFLS | 5489 | 2012-11-16 | Yes |
| 920-240 | WAUTOMA | 5489 | 2004-06-29 | Yes |
| 920-243 | APPLETON | 5489 | — | Yes |
| 920-260 | MARKESAN | 5489 | 2004-06-29 | Yes |
| 920-264 | GREEN BAY | 5489 | — | Yes |
| 920-267 | OSHKOSH | 5489 | 2002-05-13 | Yes |
| 920-268 | APPLETON | 5489 | 2002-05-13 | Yes |
| 920-278 | DE PERE | 5489 | — | Yes |
| 920-287 | SHEBOYGAN | 5489 | — | Yes |
| 920-328 | GREEN BAY | 5489 | — | Yes |
| 920-341 | CLYMAN | 5489 | 2001-06-28 | Yes |
| 920-354 | BERLIN | 5489 | 2004-04-16 | Yes |
| 920-367 | DENMARK | 5489 | 2001-08-12 | Yes |
| 920-423 | LTL CHUTE | 5489 | — | Yes |
| 920-443 | REEDSVILLE | 5489 | 2002-08-21 | Yes |
| 920-447 | RANDOMLAKE | 5489 | 2002-08-21 | Yes |
| 920-449 | PLYMOUTH | 5489 | 2002-08-21 | Yes |
| 920-471 | GREEN BAY | 5489 | 2002-05-13 | Yes |
| 920-472 | NEW LONDON | 5489 | 2002-05-13 | Yes |
| 920-473 | STURGEONBY | 5489 | 2002-05-13 | Yes |
| 920-486 | NEENAH | 5489 | 2003-02-05 | Yes |
| 920-521 | NEENAH | 5489 | — | Yes |
| 920-522 | CHILTON | 5489 | 2002-08-21 | Yes |
| 920-523 | CASCADE | 5489 | 2002-08-21 | Yes |
| 920-524 | BRILLION | 5489 | 2002-08-21 | Yes |
| 920-545 | WATERTOWN | 5489 | 2002-03-25 | Yes |
| 920-547 | SHEBOYGAN | 5489 | 2002-03-25 | Yes |
| 920-550 | SHEBOGNFLS | 5489 | 2005-05-03 | Yes |
| 920-552 | OOSTBURG | 5489 | 2002-10-31 | Yes |
| 920-574 | APPLETON | 5489 | — | Yes |
| 920-587 | OOSTBURG | 5489 | 2003-02-28 | Yes |
| 920-624 | ST CLOUD | 5489 | 2003-03-03 | Yes |
| 920-645 | MANITOWOC | 5489 | — | Yes |
| 920-653 | MAPLETON | 5489 | 2002-08-21 | Yes |
| 920-654 | MISHICOT | 5489 | 2002-08-21 | Yes |
| 920-656 | NEOSHO | 5489 | 2002-08-21 | Yes |
| 920-657 | TWO RIVERS | 5489 | 2002-08-21 | Yes |
| 920-744 | OSHKOSH | 5489 | — | Yes |
| 920-760 | APPLETON | 5489 | 2022-12-06 | 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 |
| 920-827 | NEWHOLSTEN | 5489 | 2001-06-08 | Yes |
| 920-933 | FONDDU LAC | 5489 | 2002-03-25 | 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.