Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Westby, WI

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
608-632 A MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-632 0 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-632 1 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-632 2 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-632 3 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-632 4 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-632 5 MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2008-09-30   
608-632 6 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2012-06-22   
608-632 7 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2014-06-04   
608-632 8 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354   2015-10-10   
608-632 9 MDSNWI11XEY  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 354      
608-634 A WSBYWIXADS0  0966 VERNON TEL. COOP. 354      
608-693 A MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-693 0 MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2017-06-02   
608-693 1 BOSCWIXA0MD  983F MCC TELEPHONY OF THE MIDWEST, LLC - WI 354   2020-05-30   
608-693 2 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2021-06-29   
608-693 3 MDSNWI11X4Y  5562 METROPCS, INC. 354   2025-03-30   
608-693 6   145J TERRA NOVA TELECOM INC. 354   2025-08-29   
608-693 7 MDSNWI11X4Y  6529 T-MOBILE USA, INC. 354   2025-03-24   
608-693 9 MDSNWI11XQX  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 354   2025-10-27   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.