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.


NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
715-316 7 Colby WI 9759 METRO SOUTHWEST PCS, LLP 350   2012-02-05   
715-321 A Stevens Point WI 6692 NEW CELL DBA CELLCOM 350      
715-721 1 Colby WI 9759 METRO SOUTHWEST PCS, LLP 350   2015-01-04   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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