Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 414 [Rate centres in NPA 414] [Dial plan for NPA 414]

NXX: 386

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
414-386 A Milwaukee Zone 3 WI   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
414-386 0 Milwaukee Zone 3 WI   145J TERRA NOVA TELECOM INC. 356   2025-02-13   
414-386 1 Milwaukee Zone 3 WI   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
414-386 2 Milwaukee Zone 3 WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2011-06-16   
414-386 3 Milwaukee Zone 3 WI MILWWI12XWX  007F BANDWIDTH.COM CLEC, LLC - WI 356   2011-06-16   
414-386 4 Milwaukee Zone 3 WI   5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
414-386 5 Milwaukee Zone 3 WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
414-386 6 Milwaukee Zone 3 WI MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2013-05-05   
414-386 7 Milwaukee Zone 3 WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
414-386 8 Milwaukee Zone 3 WI MILWWIDK6MD  5489 LEVEL 3 COMMUNICATIONS, LLC - WI 356      
414-386 9 Milwaukee Zone 3 WI MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356   2021-02-10   

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

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