Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 804 [Rate centres in NPA 804] [Dial plan for NPA 804]

NXX: 620

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
804-620 A Rockville VA RCMDVAZOAMD  4725 CAVALIER TELEPHONE, LLC - VA 248      
804-620 0 Rockville VA RCMDVAZOAMD  4725 CAVALIER TELEPHONE, LLC - VA 248      
804-620 1 Rockville VA RCMEVABADS1  275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 248   2020-06-30   
804-620 2 Rockville VA RCMDVAGR3MD  7849 LUMOS NETWORKS INC. - VA 248   2018-05-27   
804-620 3 Rockville VA RCMDVAGRGMD  8357 US LEC OF VIRGININA, LLC 248   2003-10-14   
804-620 4 Rockville VA RCMDVAZOAMD  4725 CAVALIER TELEPHONE, LLC - VA 248      
804-620 5 Rockville VA RCMDVAITX0X  138E ONVOY, LLC - VA 248   2021-03-06   
804-620 6 Rockville VA   5832 CORETEL VIRGINIA, LLC - VA 248   2009-03-30   
804-620 7 Rockville VA RCMDVAITXBX  079F BANDWIDTH.COM CLEC, LLC - VA 248   2012-10-13   
804-620 8 Rockville VA RCMEVABADS1  275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 248   2015-10-16   
804-620 9 Rockville VA RCMDVAITX3Y  506J TWILIO INTERNATIONAL, INC. 248   2021-01-04   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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