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: 754

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-754 A Winchester VA LSBGVALBX7X  318J COMCAST IP PHONE LLC 246   2021-02-02   

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

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