Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 571 [Rate centres in NPA 571] [Dial plan for NPA 571]

NXX: 490

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-490 A Washington Zone 19 VA FRFXVAFFPS0  9213 VERIZON VIRGINIA, INC. 236      
571-490 0 Washington Zone 19 VA   7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2007-06-11   
571-490 1 Washington Zone 19 VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-10   
571-490 2 Washington Zone 19 VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-09-10   
571-490 3 Washington Zone 19 VA   318J COMCAST IP PHONE LLC 236   2007-09-20   
571-490 4 Washington Zone 19 VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-10-25   
571-490 5 Washington Zone 19 VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-10-25   
571-490 6 Washington Zone 19 VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2007-10-25   
571-490 7 Washington Zone 19 VA   014F FUSION COMMUNICATIONS, LLC 236   2008-10-05   
571-490 8 Washington Zone 19 VA   4772 XO VIRGINIA, LLC 236   2008-07-17   
571-490 9 Washington Zone 19 VA   9213 VERIZON VIRGINIA, INC. 236   2007-03-25   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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