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.
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
719-270 5 Cripple Creek CO 321J HD CARRIER LLC 658   2016-09-01   
719-270 6 Cripple Creek CO 321J HD CARRIER LLC 658   2016-09-01   
719-270 8 Cripple Creek CO 321J HD CARRIER LLC 658   2016-09-01   
719-300 3 Colorado Springs-Main CO 321J HD CARRIER LLC 658   2020-04-25   
719-500 5 Colorado Springs-Main CO 321J HD CARRIER LLC 658   2020-02-16   
719-718 2 Cripple Creek CO 321J HD CARRIER LLC 658   2016-09-01   
719-718 3 Cripple Creek CO 321J HD CARRIER LLC 658   2016-09-01   
719-718 5 Cripple Creek CO 321J HD CARRIER LLC 658   2016-09-01   
719-718 6 Cripple Creek CO 321J HD CARRIER LLC 658   2016-09-01   
719-718 7 Cripple Creek CO 321J HD CARRIER LLC 658   2016-07-07   
719-718 8 Cripple Creek CO 321J HD CARRIER LLC 658   2016-07-07   
719-718 9 Cripple Creek CO 321J HD CARRIER LLC 658   2016-07-07   
719-819 2 Colorado Springs-Main CO 321J HD CARRIER LLC 658   2015-11-19   
719-819 3 Colorado Springs-Main CO 321J HD CARRIER LLC 658   2015-11-19   
719-819 4 Colorado Springs-Main CO 321J HD CARRIER LLC 658   2015-11-19   
719-819 5 Colorado Springs-Main CO 321J HD CARRIER LLC 658   2015-11-19   
719-819 6 Colorado Springs-Main CO 321J HD CARRIER LLC 658   2015-11-19   
719-819 7 Colorado Springs-Main CO 321J HD CARRIER LLC 658   2015-11-19   
719-819 8 Colorado Springs-Main CO 321J HD CARRIER LLC 658   2015-11-19   
719-819 9 Colorado Springs-Main CO 321J HD CARRIER LLC 658   2015-11-19   
719-820 A Colorado Springs-Main CO 321J HD CARRIER LLC 658      
719-820 9 Colorado Springs-Main CO 321J HD CARRIER LLC 658   2019-03-10   

Last updated: Sat, 15 Nov 2025 03:38:44 UTC

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