Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: STCDMNTOX2Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
320-371 A St Cloud MN 197D VONAGE AMERICA LLC 626      
320-371 0 St Cloud MN 197D VONAGE AMERICA LLC 626   2018-08-12   
320-445 6 Alexandria MN 197D VONAGE AMERICA LLC 626   2022-07-17   
320-466 7 Avon MN 197D VONAGE AMERICA LLC 626   2021-06-17   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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