Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: WASHDCDTDS1

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
301-823 2 Washington Zone 13 MD 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-10-10   
301-828 A Washington Zone 2 MD 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-830 A Washington Zone 3 MD 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-832 A Washington Zone 4 MD 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-832 9 Washington Zone 4 MD 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-833 A Washington Zone 14 MD 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
301-833 1 Washington Zone 14 MD 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-07-17   
301-833 2 Washington Zone 14 MD 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-07-17   
301-833 3 Washington Zone 14 MD 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-07-17   
301-833 4 Washington Zone 14 MD 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-07-17   
301-833 5 Washington Zone 14 MD 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2003-06-29   
301-833 6 Washington Zone 14 MD 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2003-06-29   
301-833 7 Washington Zone 14 MD 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2003-06-29   
301-833 8 Washington Zone 14 MD 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2003-06-29   
301-833 9 Washington Zone 14 MD 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2003-06-29   
571-227 A Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
571-250 1 Herndon VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-11-09   
571-250 2 Herndon VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-11-09   
571-250 3 Herndon VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-11-09   
571-250 4 Herndon VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-11-09   
571-267 6 Herndon VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2011-11-07   
571-303 A Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
571-303 3 Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2007-04-16   
571-303 4 Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2007-04-16   
571-303 5 Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2007-04-16   
571-303 6 Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2007-04-16   
571-303 7 Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2007-04-16   
571-313 6 Herndon VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2007-05-07   
571-354 A Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
571-354 2 Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-01-18   
571-354 4 Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-02-12   
571-357 6 Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-07-17   
571-357 7 Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-06-26   
571-366 6 Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2008-09-29   
571-391 A Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
571-449 4 Herndon VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-01-05   
571-476 A Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
571-476 0 Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-476 1 Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-476 2 Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-476 3 Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-476 4 Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-476 5 Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-476 6 Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-476 7 Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-476 8 Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-476 9 Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-480 7 Washington Zone 8 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2007-05-25   
571-566 A Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
571-566 0 Washington Zone 19 VA 7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   

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

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