Local Calling Guide

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

NXX: 543

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-543 A Madison VA CLPPVARVRS0  9213 VERIZON VIRGINIA, INC. 246      
540-543 0 Madison VA   079F BANDWIDTH.COM CLEC, LLC - VA 246   2018-05-31   
540-543 1 Madison VA   145J TERRA NOVA TELECOM INC. 246   2026-01-04   
540-543 2 Madison VA   9213 VERIZON VIRGINIA, INC. 246      
540-543 3 Madison VA   318J COMCAST IP PHONE, LLC 246   2014-12-15   
540-543 4 Madison VA   145J TERRA NOVA TELECOM INC. 246   2024-09-14   
540-543 5 Madison VA   145J TERRA NOVA TELECOM INC. 246   2024-02-14   
540-543 7 Madison VA   508J CENTURYLINK COMMUNICATIONS, LLC 246   2014-07-18   
540-543 8 Madison VA   073H TELNYX LLC 246   2017-09-13   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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