Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 540 [Rate centres in NPA 540] [Dial plan for NPA 540]

NXX: 495

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-495 A Calverton VA FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246      
540-495 0 Calverton VA   079F BANDWIDTH.COM CLEC, LLC - VA 246   2015-03-23   
540-495 1 Calverton VA   138E ONVOY, LLC - VA 246   2017-03-29   
540-495 5 Calverton VA   145J TERRA NOVA TELECOM INC. 246   2024-02-13   
540-495 8 Calverton VA   073H TELNYX LLC 246   2017-09-13   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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