Local Calling Guide

Area code/prefix search

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OCN: 8540 GREAT WEST SERVICES, LTD. - CO

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
720-867 A Denver CO DNVRCOGVDS0  656      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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