Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: DNVRCO26PS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
720-527 A Denver CO 567G TELIAX, INC. - CO 656      
720-527 5 Denver CO 567G TELIAX, INC. - CO 656   2017-12-18   
720-708 A Denver CO 567G TELIAX, INC. - CO 656      
720-708 1 Denver CO 567G TELIAX, INC. - CO 656   2011-10-03   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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