Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 778 [Rate centres in NPA 778] [Dial plan for NPA 778]

NXX: 642

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
778-642 A Houston BC TRRCBCAP0MD  705F CITYWEST CABLE (NORTH) CORP. - BC 888 808613    

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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