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: 451

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
414-451 A Milwaukee Zone 1 WI   624H ONVOY SPECTRUM, LLC 356   2025-03-22   
414-451 0 Milwaukee Zone 1 WI   624H ONVOY SPECTRUM, LLC 356   2025-03-22   
414-451 1 Milwaukee Zone 1 WI   624H ONVOY SPECTRUM, LLC 356   2025-03-22   
414-451 2 Milwaukee Zone 1 WI   624H ONVOY SPECTRUM, LLC 356   2025-03-22   
414-451 3 Milwaukee Zone 1 WI   225C ONVOY, LLC - WI 356   2025-04-12   
414-451 4 Milwaukee Zone 1 WI   225C ONVOY, LLC - WI 356   2025-04-12   
414-451 5 Milwaukee Zone 1 WI   225C ONVOY, LLC - WI 356   2025-04-12   
414-451 8 Milwaukee Zone 1 WI   6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2025-03-24   
414-451 9 Milwaukee Zone 1 WI   225C ONVOY, LLC - WI 356   2025-03-24   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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