Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 719 [Rate centres in NPA 719] [Dial plan for NPA 719]

NXX: 933

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
719-933 A Simla CO CLSPCO11XVX  516J TON80 COMMUNICATIONS, LLC 658      
719-933 3 Simla CO CLSPCO11XVX  516J TON80 COMMUNICATIONS, LLC 658   2022-04-22   
719-933 8 Simla CO CLSPCOMAXMX  6118 LEVEL 3 COMMUNICATIONS, LLC - CO 658   2022-11-04   
719-933 9 Simla CO   145J TERRA NOVA TELECOM INC. 658   2025-06-11   

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

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