Local Calling Guide

Area code/prefix search

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OCN: 7378 TELEPORT COMMUNICATIONS AMERICA, LLC - CO

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
970-725 5 Hot Sulphur Springs CO   656   2012-12-13   
970-732 6 Fort Collins CO   656   2021-10-04   
970-737 3 Gilcrest CO   656   2015-10-02   
970-747 7 Fort Morgan CO   656   2019-02-18   
970-827 3 Vail CO   656   2020-11-02   
970-831 6 Brush CO   656   2021-03-30   
970-839 6 Silt CO   656   2022-08-08   
970-855 9 Edwards CO   656   2021-02-22   
970-894 6 Berthoud CO   656   2024-08-12   
970-898 A Fort Collins CO DNVRCOMDDS0  656      
970-935 6 Breckenridge CO   656   2023-08-04   
970-966 9 Loveland CO   656   2020-01-23   
970-997 6 Kremmling CO   656   2023-08-07   
983-201 A Denver CO FTCLCOMAAMD  656      
983-201 0 Denver CO   656   2023-10-23   
983-201 1 Denver CO   656   2023-10-23   
983-201 2 Denver CO   656   2023-10-23   
983-201 3 Denver CO   656   2023-10-23   
983-201 4 Denver CO   656   2023-10-23   
983-201 5 Denver CO   656   2023-10-23   
983-201 6 Denver CO   656   2023-10-23   
983-201 7 Denver CO   656   2023-10-23   
983-201 8 Denver CO   656   2023-10-23   
983-201 9 Denver CO   656   2023-10-23   
983-214 6 Denver CO   656   2025-03-24   
983-456 A Denver CO   656   2025-11-24   
983-456 6 Denver CO   656   2025-11-24   
983-456 7 Denver CO   656   2025-11-24   

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Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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