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: 424

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
414-424 A Milwaukee Zone 1 WI MILWWIAUDS1  225C ONVOY, LLC - WI 356      
414-424 2 Milwaukee Zone 1 WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2023-01-15   
414-424 3 Milwaukee Zone 1 WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2023-01-15   
414-424 4 Milwaukee Zone 1 WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2023-01-15   
414-424 5 Milwaukee Zone 1 WI MILWWIHEVMD  7216 TELEPORT COMMUNICATIONS AMERICA, LLC WI 356   2023-03-02   
414-424 9 Milwaukee Zone 1 WI MILWWIAUDS2  227F PEERLESS NETWORK OF WISCONSIN, LLC - WI 356   2023-01-16   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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