Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 720 [Rate centres in NPA 720] [Dial plan for NPA 720]

NXX: 867

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-867 A Denver CO DNVRCOGVDS0  8540 GREAT WEST SERVICES, LTD. - CO 656      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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