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: 528

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
414-528 A Milwaukee Zone 1 WI   700J WAVENATION, LLC 356   2026-02-16   
414-528 0 Milwaukee Zone 1 WI   700J WAVENATION, LLC 356   2026-02-16   
414-528 1 Milwaukee Zone 1 WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2026-02-17   
414-528 8 Milwaukee Zone 1 WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2026-02-17   
414-528 9 Milwaukee Zone 1 WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2026-02-17   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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