WISCONSIN BELL INC
80 prefixes in 608 · initial assignments from the NANPA CO code file, 09/17/2026
| NPA-NXX | Rate center | OCN | Assigned | Pooled |
|---|---|---|---|---|
| 608-216 | MADISON | 9327 | — | Yes |
| 608-218 | MADISON | 9327 | — | Yes |
| 608-221 | MADISON | 9327 | — | — |
| 608-222 | MADISON | 9327 | — | — |
| 608-223 | MADISON | 9327 | — | — |
| 608-224 | MADISON | 9327 | — | Yes |
| 608-226 | MADISON | 9327 | — | — |
| 608-231 | MADISON | 9327 | — | — |
| 608-232 | MADISON | 9327 | — | Yes |
| 608-233 | MADISON | 9327 | — | — |
| 608-236 | MADISON | 9327 | — | Yes |
| 608-238 | MADISON | 9327 | — | — |
| 608-240 | MADISON | 9327 | — | — |
| 608-241 | MADISON | 9327 | — | — |
| 608-242 | MADISON | 9327 | — | — |
| 608-243 | MADISON | 9327 | — | — |
| 608-244 | MADISON | 9327 | — | — |
| 608-245 | MADISON | 9327 | — | — |
| 608-246 | MADISON | 9327 | — | — |
| 608-249 | MADISON | 9327 | — | — |
| 608-250 | MADISON | 9327 | — | Yes |
| 608-251 | MADISON | 9327 | — | — |
| 608-252 | MADISON | 9327 | — | — |
| 608-255 | MADISON | 9327 | — | — |
| 608-256 | MADISON | 9327 | — | — |
| 608-257 | MADISON | 9327 | — | — |
| 608-258 | MADISON | 9327 | — | — |
| 608-259 | MADISON | 9327 | — | Yes |
| 608-260 | MADISON | 9327 | — | Yes |
| 608-261 | MADISON | 9327 | — | — |
| 608-262 | MADISON | 9327 | — | — |
| 608-263 | MADISON | 9327 | — | — |
| 608-264 | MADISON | 9327 | — | — |
| 608-265 | MADISON | 9327 | — | — |
| 608-266 | MADISON | 9327 | — | — |
| 608-267 | MADISON | 9327 | — | — |
| 608-270 | MADISON | 9327 | — | Yes |
| 608-271 | MADISON | 9327 | — | — |
| 608-273 | MADISON | 9327 | — | — |
| 608-274 | MADISON | 9327 | — | — |
| 608-275 | MADISON | 9327 | — | — |
| 608-276 | MADISON | 9327 | — | — |
| 608-277 | MADISON | 9327 | — | — |
| 608-278 | MADISON | 9327 | — | — |
| 608-280 | MADISON | 9327 | — | Yes |
| 608-281 | MADISON | 9327 | — | — |
| 608-282 | MADISON | 9327 | — | Yes |
| 608-283 | MADISON | 9327 | — | Yes |
| 608-284 | MADISON | 9327 | — | Yes |
| 608-285 | MADISON | 9327 | — | Yes |
| 608-286 | MADISON | 9327 | — | Yes |
| 608-287 | MADISON | 9327 | — | Yes |
| 608-288 | MADISON | 9327 | — | — |
| 608-294 | MADISON | 9327 | — | Yes |
| 608-298 | MADISON | 9327 | — | Yes |
| 608-301 | MADISON | 9327 | — | Yes |
| 608-361 | BELOIT | 9327 | — | Yes |
| 608-362 | BELOIT | 9327 | — | — |
| 608-363 | BELOIT | 9327 | — | — |
| 608-364 | BELOIT | 9327 | — | — |
| 608-365 | BELOIT | 9327 | — | — |
| 608-371 | JANESVILLE | 9327 | 2001-05-09 | Yes |
| 608-373 | JANESVILLE | 9327 | — | Yes |
| 608-395 | MADISON | 9327 | — | Yes |
| 608-458 | MADISON | 9327 | 2001-08-21 | — |
| 608-741 | JANESVILLE | 9327 | — | — |
| 608-743 | JANESVILLE | 9327 | — | Yes |
| 608-752 | JANESVILLE | 9327 | — | — |
| 608-754 | JANESVILLE | 9327 | — | — |
| 608-755 | JANESVILLE | 9327 | — | — |
| 608-756 | JANESVILLE | 9327 | — | — |
| 608-757 | JANESVILLE | 9327 | — | — |
| 608-758 | JANESVILLE | 9327 | — | — |
| 608-873 | STOUGHTON | 9327 | — | — |
| 608-877 | STOUGHTON | 9327 | — | Yes |
| 608-882 | EVANSVILLE | 9327 | — | Yes |
| 608-883 | RICHMOND | 9327 | — | Yes |
| 608-890 | MADISON | 9327 | 2003-12-10 | Yes |
| 608-957 | MADISON | 9327 | — | Yes |
| 608-977 | MADISON | 9327 | 2015-04-28 | 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.