Local Calling Guide

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NPA: 414 [Rate centres in NPA 414] [Dial plan for NPA 414]

NXX: 306

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
414-306 A Milwaukee Zone 3 WI MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356      
414-306 0 Milwaukee Zone 3 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2007-07-06   
414-306 1 Milwaukee Zone 3 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2007-09-28   
414-306 2 Milwaukee Zone 3 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2007-12-21   
414-306 3 Milwaukee Zone 3 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2008-02-20   
414-306 4 Milwaukee Zone 3 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2008-02-20   
414-306 5 Milwaukee Zone 3 WI PEWTWICI7MD  6529 T-MOBILE USA, INC. 356   2008-02-20   
414-306 6 Milwaukee Zone 3 WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2008-05-13   
414-306 7 Milwaukee Zone 3 WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2008-05-15   
414-306 8 Milwaukee Zone 3 WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356   2008-05-22   
414-306 9 Milwaukee Zone 3 WI MILXWIJIGT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 356   2006-04-21   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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