Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: FTMRCOMA2MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
970-500 A Weldona CO 312G NORTHERN COLORADO COMMUNICATIONS, LLC. - CO 656      
970-500 4 Weldona CO 312G NORTHERN COLORADO COMMUNICATIONS, LLC. - CO 656   2014-09-23   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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