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: 518

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
540-518 A Dublin VA RONKVALKXJY  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 244      
540-518 0 Dublin VA   138E ONVOY, LLC - VA 244   2018-03-10   
540-518 1 Dublin VA   073H TELNYX LLC 244   2021-05-31   
540-518 2 Dublin VA   079F BANDWIDTH.COM CLEC, LLC - VA 244   2019-05-25   
540-518 3 Dublin VA   624H ONVOY SPECTRUM, LLC 244   2021-05-27   
540-518 4 Dublin VA   079F BANDWIDTH.COM CLEC, LLC - VA 244   2018-05-31   
540-518 5 Dublin VA   138E ONVOY, LLC - VA 244   2020-11-09   
540-518 6 Dublin VA   4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244   2016-05-06   
540-518 7 Dublin VA   318J COMCAST IP PHONE, LLC 244   2019-03-29   
540-518 8 Dublin VA   138E ONVOY, LLC - VA 244   2020-11-09   
540-518 9 Dublin VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 244   2003-03-31   

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

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