Local Calling Guide

Area code/prefix search

Search by area code/prefix (NPA/NXX) or OCN

  • 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.

Last updated: Fri, 17 May 2013 01:26:12 UTC

How to use this page

Switch: EMBRMNXERS0

See all switches at this location

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


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