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: 499

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
970-499 A South Laramie CO CSPRWYDN0MD  026D ONVOY, LLC - CO 654      
970-499 0 South Laramie CO   073H TELNYX LLC 654   2018-05-01   
970-499 1 South Laramie CO   026D ONVOY, LLC - CO 654   2019-09-09   
970-499 2 South Laramie CO   026D ONVOY, LLC - CO 654   2020-12-18   
970-499 3 South Laramie CO   026D ONVOY, LLC - CO 654   2020-12-18   
970-499 4 South Laramie CO   508J CENTURYLINK COMMUNICATIONS, LLC 654   2015-03-18   
970-499 5 South Laramie CO   026D ONVOY, LLC - CO 654   2012-12-12   
970-499 6 South Laramie CO   026D ONVOY, LLC - CO 654   2012-12-12   
970-499 7 South Laramie CO   026D ONVOY, LLC - CO 654   2007-09-29   
970-499 8 South Laramie CO   026D ONVOY, LLC - CO 654   2012-12-12   

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

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