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 RCMDVAGRX1Y  829J PAETEC ITEL, LLC 248   2025-02-25   
804-620 0 Rockville VA   829J PAETEC ITEL, LLC 248      
804-620 1 Rockville VA   275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 248   2020-06-30   
804-620 3 Rockville VA   829J PAETEC ITEL, LLC 248   2003-10-14   
804-620 4 Rockville VA   829J PAETEC ITEL, LLC 248      
804-620 5 Rockville VA   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   079F BANDWIDTH.COM CLEC, LLC - VA 248   2012-10-13   
804-620 8 Rockville VA   275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 248   2015-10-16   

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

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