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: EMBRMNXERS0

NPA-NXX BLOCK Rate Centre Region OCN LATA Eff date Disc date Map
218-984 A Embarrass MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 624     map

Last updated: Sat, 14 Apr 2018 22:33:36 UTC

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