Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: DNVRCO37DS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
970-833 A Windsor CO 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
970-833 3 Windsor CO 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2014-01-31   
970-838 A Walden CO 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
970-838 3 Walden CO 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2019-05-13   
970-851 A Fort Collins CO 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656      
970-851 3 Fort Collins CO 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2023-03-04   
970-855 3 Edwards CO 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2019-05-01   
970-964 3 Montrose CO 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2008-09-05   
970-965 3 Yuma CO 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 656   2019-05-13   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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