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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Switch: CLSPCO11XUX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
719-207 9 Salida CO 145J TERRA NOVA TELECOM INC. 658   2024-12-04   
719-221 7 Salida CO 145J TERRA NOVA TELECOM INC. 658   2021-04-28   
719-286 8 Cripple Creek CO 145J TERRA NOVA TELECOM INC. 658   2024-12-04   
719-297 8 Limon CO 145J TERRA NOVA TELECOM INC. 658   2024-12-04   
719-422 2 Trinidad CO 145J TERRA NOVA TELECOM INC. 658   2024-12-04   
719-500 A Colorado Springs-Main CO 145J TERRA NOVA TELECOM INC. 658      
719-873 3 Del Norte CO 145J TERRA NOVA TELECOM INC. 658   2024-12-04   
719-937 5 Alamosa CO 145J TERRA NOVA TELECOM INC. 658   2024-12-04   
719-992 2 Alamosa CO 145J TERRA NOVA TELECOM INC. 658   2024-02-14   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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