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: 719 [Rate centres in NPA 719] [Dial plan for NPA 719]

NXX: 992

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
719-992 A Alamosa CO CLSPCOMAXMX  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 658      
719-992 0 Alamosa CO   6118 LEVEL 3 COMMUNICATIONS, LLC - CO 658      
719-992 1 Alamosa CO   6010 NEW CINGULAR WIRELESS PCS, LLC 658   2010-11-04   
719-992 2 Alamosa CO   145J TERRA NOVA TELECOM INC. 658   2024-02-14   
719-992 3 Alamosa CO   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 658   2010-11-01   
719-992 4 Alamosa CO   6874 N.E. COLORADO CELLULAR, INC. 658   2014-11-13   
719-992 5 Alamosa CO   073H TELNYX LLC 658   2017-03-23   
719-992 7 Alamosa CO   078F BANDWIDTH.COM CLEC, LLC - CO 658   2020-04-05   
719-992 8 Alamosa CO   6010 NEW CINGULAR WIRELESS PCS, LLC 658   2011-06-20   
719-992 9 Alamosa CO   5562 METROPCS, INC. 658   2022-09-16   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.