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: CLSPCOMAX6Y

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
719-626 A Salida CO 5736 COMMNET WIRELESS, LLC 658      
719-626 0 Salida CO 5736 COMMNET WIRELESS, LLC 658   2010-09-20   
719-839 8 Fairplay CO 5736 COMMNET WIRELESS, LLC 658   2010-08-28   
719-845 5 Trinidad CO 5736 COMMNET WIRELESS, LLC 658   2015-06-13   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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