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: 643

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-643 A Dublin VA DBLNVADUDS0  9213 VERIZON VIRGINIA, INC. 244      
540-643 0 Dublin VA   9213 VERIZON VIRGINIA, INC. 244      
540-643 1 Dublin VA   9213 VERIZON VIRGINIA, INC. 244      
540-643 2 Dublin VA   9213 VERIZON VIRGINIA, INC. 244      
540-643 3 Dublin VA   138E ONVOY, LLC - VA 244   2025-10-12   
540-643 4 Dublin VA   829J PAETEC ITEL, LLC 244   2014-06-27   
540-643 5 Dublin VA   138E ONVOY, LLC - VA 244   2026-01-10   
540-643 6 Dublin VA   6283 UNITED STATES CELLULAR - VA 244   2020-11-16   
540-643 7 Dublin VA   544A CITIZENS TELEPHONE COOPERATIVE - VA 244   2014-02-21   
540-643 8 Dublin VA   275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 244   2021-03-04   
540-643 9 Dublin VA   275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 244   2016-01-16   

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

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