Local Calling Guide
Area code/prefix search
Randolph, WI
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 920-326
| A |
RNDHWIXBDS1 |
0931 BRIGHTSPEED OF SOUTHERN WISCONSIN, LLC |
356 |
|
|
|
| 920-326
| 0 |
|
6274 UNITED STATES CELLULAR - WI |
356 |
|
2015-11-12 |
|
| 920-326
| 1 |
|
225C ONVOY, LLC - WI |
356 |
|
2021-07-02 |
|
| 920-326
| 2 |
|
0931 BRIGHTSPEED OF SOUTHERN WISCONSIN, LLC |
356 |
|
|
|
| 920-326
| 3 |
|
0931 BRIGHTSPEED OF SOUTHERN WISCONSIN, LLC |
356 |
|
|
|
| 920-326
| 4 |
|
0931 BRIGHTSPEED OF SOUTHERN WISCONSIN, LLC |
356 |
|
|
|
| 920-326
| 5 |
|
0931 BRIGHTSPEED OF SOUTHERN WISCONSIN, LLC |
356 |
|
|
|
| 920-326
| 6 |
|
0931 BRIGHTSPEED OF SOUTHERN WISCONSIN, LLC |
356 |
|
|
|
| 920-326
| 7 |
|
225C ONVOY, LLC - WI |
356 |
|
2021-04-12 |
|
| 920-326
| 8 |
|
624H ONVOY SPECTRUM, LLC |
356 |
|
2021-06-26 |
|
| 920-326
| 9 |
|
6274 UNITED STATES CELLULAR - WI |
356 |
|
2008-03-21 |
|
| 920-463
| A |
MILXWIILCMD |
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
356 |
|
|
|
| 920-463
| 0 |
|
6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI |
356 |
|
|
|
| 920-463
| 1 |
|
792K CHARTER IP ENABLED SERVICES, LLC |
356 |
|
2013-08-09 |
|
| 920-463
| 2 |
|
225C ONVOY, LLC - WI |
356 |
|
2021-06-03 |
|
| 920-463
| 3 |
|
007F BANDWIDTH.COM CLEC, LLC - WI |
356 |
|
2018-11-02 |
|
| 920-463
| 4 |
|
225C ONVOY, LLC - WI |
356 |
|
2019-08-29 |
|
| 920-463
| 5 |
|
5489 LEVEL 3 COMMUNICATIONS, LLC - WI |
356 |
|
2015-01-02 |
|
| 920-463
| 6 |
|
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
356 |
|
2019-10-10 |
|
| 920-463
| 7 |
|
698E MICHIGAN WIRELESS, LLC DBA BUG TUSSEL WIRELESS |
356 |
|
2010-01-06 |
|
| 920-463
| 8 |
|
698E MICHIGAN WIRELESS, LLC DBA BUG TUSSEL WIRELESS |
356 |
|
2010-01-06 |
|
| 920-463
| 9 |
|
698E MICHIGAN WIRELESS, LLC DBA BUG TUSSEL WIRELESS |
356 |
|
2010-01-06 |
|
| 920-549
| A |
MILWWI12ZMD |
6274 UNITED STATES CELLULAR - WI |
356 |
|
|
|
| 920-549
| 0 |
|
6274 UNITED STATES CELLULAR - WI |
356 |
|
2021-10-14 |
|
| 920-549
| 4 |
|
145J TERRA NOVA TELECOM INC. |
356 |
|
2025-08-21 |
|
| 920-549
| 8 |
|
6529 T-MOBILE USA, INC. |
356 |
|
2025-02-22 |
|
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
Sponsored by: FiberConX Communications Ltd.
Like this site? We accept donations via PayPal.