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: 997

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
720-997 A Bennett CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656      
720-997 1 Bennett CO DNVRCOMA39Z  318J COMCAST IP PHONE, LLC 656   2022-05-27   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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