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: 450

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
414-450 A Milwaukee Zone 4 WI MILWWIAU23Z  839J EON TELECOM, INC. 356   2024-11-29   
414-450 0 Milwaukee Zone 4 WI MILWWIAU23Z  839J EON TELECOM, INC. 356   2024-11-29   
414-450 1 Milwaukee Zone 4 WI MILWWIAU23Z  839J EON TELECOM, INC. 356   2024-11-29   
414-450 2 Milwaukee Zone 4 WI MILWWIAU23Z  839J EON TELECOM, INC. 356   2024-11-29   
414-450 3 Milwaukee Zone 4 WI   007F BANDWIDTH.COM CLEC, LLC - WI 356   2026-11-08   
414-450 4 Milwaukee Zone 4 WI   007F BANDWIDTH.COM CLEC, LLC - WI 356   2026-11-08   
414-450 7 Milwaukee Zone 4 WI   843C INTRADO COMMUNICATIONS, LLC 356   2026-10-23   
414-450 8 Milwaukee Zone 4 WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2025-03-01   
414-450 9 Milwaukee Zone 4 WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2025-05-09   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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