Local Calling Guide
Area code/prefix search
Middleton, WI
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 608-833
| A |
MDTNWIXAPS0 |
0881 MID-PLAINS TEL., INC. |
354 |
|
|
|
| 608-836
| A |
MDTNWIXAPS0 |
0881 MID-PLAINS TEL., INC. |
354 |
|
|
|
| 608-841
| A |
MDSNWI11XAX |
225C ONVOY, LLC - WI |
354 |
|
|
|
| 608-841
| 1 |
FTBGWIDK1MD |
792K CHARTER IP ENABLED SERVICES, LLC |
354 |
|
2013-05-17 |
|
| 608-841
| 2 |
FTBGWIDK1MD |
792K CHARTER IP ENABLED SERVICES, LLC |
354 |
|
2015-11-02 |
|
| 608-841
| 4 |
MDSNWI02ZMD |
7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI |
354 |
|
2017-02-20 |
|
| 608-841
| 5 |
MDSNWI11XAX |
225C ONVOY, LLC - WI |
354 |
|
2023-08-14 |
|
| 608-841
| 6 |
MDSNWI11XAX |
225C ONVOY, LLC - WI |
354 |
|
2023-08-14 |
|
| 608-841
| 7 |
MDSNWI11XAX |
225C ONVOY, LLC - WI |
354 |
|
2023-08-14 |
|
| 608-841
| 8 |
MDSNWI11XAX |
225C ONVOY, LLC - WI |
354 |
|
2023-08-14 |
|
| 608-841
| 9 |
MDSNWI11XAX |
225C ONVOY, LLC - WI |
354 |
|
2023-08-14 |
|
| 608-858
| A |
MDTNWIXAPS0 |
0881 MID-PLAINS TEL., INC. |
354 |
|
|
|
| 608-858
| 1 |
MDTNWIXAPS0 |
0881 MID-PLAINS TEL., INC. |
354 |
|
2011-10-10 |
|
| 608-858
| 5 |
|
145J TERRA NOVA TELECOM INC. |
354 |
|
2025-08-16 |
|
| 608-858
| 8 |
|
145J TERRA NOVA TELECOM INC. |
354 |
|
2026-07-31 |
|
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Last updated: Tue, 01 Sep 2026 00:40:05 UTC
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