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: 284

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
414-284 A Milwaukee Zone 4 WI MILWWIAU06Z  495J STRATUS NETWORKS 356      
414-284 0 Milwaukee Zone 4 WI MILWWIAUXAY  197D VONAGE AMERICA LLC 356   2021-06-06   
414-284 1 Milwaukee Zone 4 WI MILWWIAU06Z  495J STRATUS NETWORKS 356   2021-01-18   
414-284 2 Milwaukee Zone 4 WI MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356   2021-03-01   
414-284 3 Milwaukee Zone 4 WI MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356   2021-03-01   
414-284 4 Milwaukee Zone 4 WI MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356   2021-03-01   
414-284 5 Milwaukee Zone 4 WI MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356   2021-03-01   
414-284 6 Milwaukee Zone 4 WI MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356   2021-03-01   
414-284 7 Milwaukee Zone 4 WI MILWWIAUXAY  197D VONAGE AMERICA LLC 356   2021-06-06   
414-284 8 Milwaukee Zone 4 WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2025-01-05   
414-284 9 Milwaukee Zone 4 WI MILWWI12XTX  624H ONVOY SPECTRUM, LLC 356   2021-07-11   

Last updated: Sat, 04 Jul 2026 13:07:56 UTC

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