Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 608 [Rate centres in NPA 608] [Dial plan for NPA 608]

NXX: 521

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
608-521 A Readstown WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354      
608-521 0 Readstown WI MDSNWIPU2MD  6274 UNITED STATES CELLULAR - WI 354   2008-12-13   
608-521 1 Readstown WI BOSCWIXA0MD  983F MCC TELEPHONY OF THE MIDWEST, LLC - WI 354   2021-10-30   
608-521 7 Readstown WI   6529 T-MOBILE USA, INC. 354   2025-02-22   
608-521 8 Readstown WI   6529 T-MOBILE USA, INC. 354   2025-02-22   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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