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: 536

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-536 A New Castle CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656      
970-536 0 New Castle CO DNVRCO26DS5  278F PEERLESS NETWORK OF COLORADO, LLC - CO 656   2014-10-11   
970-536 1 New Castle CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2014-07-19   
970-536 2 New Castle CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-03-25   
970-536 3 New Castle CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2016-03-25   
970-536 4 New Castle CO DNVRCOMA40Z  506J TWILIO INTERNATIONAL, INC. 656   2020-12-18   
970-536 5 New Castle CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-30   
970-536 6 New Castle CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2015-02-27   
970-536 7 New Castle CO HLRNCOFP1MD  508J CENTURYLINK COMMUNICATIONS, LLC 656   2014-11-06   
970-536 8 New Castle CO DNVTCOZIDS1  026D ONVOY, LLC - CO 656   2018-12-30   
970-536 9 New Castle CO DNVRCO26XIX  073H TELNYX LLC 656   2018-05-02   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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