Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 970 [Rate centres in NPA 970] [Dial plan for NPA 970]

NXX: 638

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-638 A Yampa CO YAMPCOMARS1  9636 QWEST CORPORATION 656      
970-638 0 Yampa CO YAMPCOMARS1  9636 QWEST CORPORATION 656      
970-638 1 Yampa CO YAMPCOMARS1  9636 QWEST CORPORATION 656      
970-638 2 Yampa CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2006-02-05   
970-638 3 Yampa CO DNVRCOMAXGZ  078F BANDWIDTH.COM CLEC, LLC - CO 656   2012-01-05   
970-638 4 Yampa CO YAMPCOMARS1  9636 QWEST CORPORATION 656      
970-638 5 Yampa CO DNVTCO56DS8  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 656   2023-01-06   
970-638 6 Yampa CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-14   
970-638 7 Yampa CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2007-03-18   
970-638 8 Yampa CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2012-12-14   
970-638 9 Yampa CO DNVRCO26XUX  516J TON80 COMMUNICATIONS, LLC 656   2021-10-21   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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