Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: DNVRCO26XYX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
720-242 0 Denver CO 598J FIVE9, INC. 656   2023-06-16   
720-850 A Denver CO 598J FIVE9, INC. 656      
720-850 0 Denver CO 598J FIVE9, INC. 656   2021-07-11   

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

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