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: SXCYIA78X7X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
712-203 2 Sioux City IA 444G AUREON COMMUNICATIONS, LLC 630   2014-07-25   
712-225 9 Cherokee IA 444G AUREON COMMUNICATIONS, LLC 630   2014-06-26   
712-371 8 Ida Grove IA 444G AUREON COMMUNICATIONS, LLC 630   2019-12-05   
712-900 8 Holstein IA 444G AUREON COMMUNICATIONS, LLC 630   2022-11-10   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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