Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 014F CBEYOND COMMS - VA

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
571-287 2 Herndon VA   236   2008-10-05   
571-308 1 Washington Zone 19 VA   236   2010-04-19   
571-325 1 Herndon VA   236   2014-03-31   
571-346 3 Herndon VA   236   2009-08-14   
571-384 1 Washington Zone 8 VA   236   2008-10-05   
571-425 4 Washington Zone 17 VA   236   2010-03-18   
571-483 3 Washington Zone 8 VA   236   2010-04-05   
571-483 5 Washington Zone 8 VA   236   2012-01-17   
571-488 6 Washington Zone 17 VA   236   2010-10-20   
571-490 7 Washington Zone 19 VA   236   2008-10-05   
571-512 4 Washington Zone 19 VA   236   2011-08-31   
571-581 1 Washington Zone 17 VA   236   2012-09-27   
571-620 3 Washington Zone 17 VA   236   2014-05-16   
571-765 4 Washington Zone 17 VA   236   2008-10-05   
703-337 1 Engleside VA   236   2008-10-05   
703-657 5 Herndon VA   236   2010-10-20   
703-829 1 Braddock VA   236   2008-10-05   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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