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: DNVRCOMA51Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
720-995 A Denver CO 839J EON TELECOM, INC. 656      
720-995 1 Denver CO 839J EON TELECOM, INC. 656      
970-307 8 Grand Junction CO 839J EON TELECOM, INC. 656      
970-450 1 Rangely CO 839J EON TELECOM, INC. 656      
970-501 1 Durango CO 839J EON TELECOM, INC. 656      
970-504 1 Carbondale CO 839J EON TELECOM, INC. 656      
970-595 1 Eckley CO 839J EON TELECOM, INC. 656      
970-709 5 Grand Lake CO 839J EON TELECOM, INC. 656      
970-722 3 Fraser CO 839J EON TELECOM, INC. 656      
970-805 2 Mead CO 839J EON TELECOM, INC. 656      
970-807 7 Aspen CO 839J EON TELECOM, INC. 656      
970-836 7 Greeley CO 839J EON TELECOM, INC. 656      
970-851 1 Fort Collins CO 839J EON TELECOM, INC. 656      
970-896 3 Steamboat Springs CO 839J EON TELECOM, INC. 656      
970-975 4 Montrose CO 839J EON TELECOM, INC. 656      
983-983 0 Longmont CO 839J EON TELECOM, INC. 656      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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