Local Calling Guide

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NPA: 970 [Rate centres in NPA 970] [Dial plan for NPA 970]

NXX: 921

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-921 A Crawford CO CRFRCOXCRP0  2184 DELTA COUNTY TELE-COMM, INC. 656      
970-921 0 Crawford CO   2184 DELTA COUNTY TELE-COMM, INC. 656      
970-921 1 Crawford CO   5972 INTERLINK ADV SVC DBA FORETHOUGHT.NET - CO 656   2016-11-05   
970-921 2 Crawford CO   2184 DELTA COUNTY TELE-COMM, INC. 656      
970-921 3 Crawford CO   2184 DELTA COUNTY TELE-COMM, INC. 656      
970-921 4 Crawford CO   026D ONVOY, LLC - CO 656   2022-10-01   
970-921 5 Crawford CO   2184 DELTA COUNTY TELE-COMM, INC. 656      
970-921 6 Crawford CO   145J TERRA NOVA TELECOM INC. 656   2025-05-24   
970-921 7 Crawford CO   026D ONVOY, LLC - CO 656   2023-07-22   
970-921 9 Crawford CO   078F BANDWIDTH.COM CLEC, LLC - CO 656   2020-09-14   

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

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