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.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
320-414 5 Little Falls MN STCDMNES7MD  626   2018-06-11   
320-470 A St Cloud MN STCDMNES7MD  626      
320-470 5 St Cloud MN STCDMNES7MD  626   2017-01-13   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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