Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
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Switch: WASJDCDBDS1

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
202-266 A Washington Zone 1 DC 4249 CAVALIER EAST LLC - DC 236      
202-443 A Washington Zone 1 DC 4249 CAVALIER EAST LLC - DC 236      
202-443 0 Washington Zone 1 DC 4249 CAVALIER EAST LLC - DC 236   2008-09-13   
202-443 4 Washington Zone 1 DC 4249 CAVALIER EAST LLC - DC 236   2008-09-13   
202-443 5 Washington Zone 1 DC 4249 CAVALIER EAST LLC - DC 236   2008-09-13   
202-443 6 Washington Zone 1 DC 4249 CAVALIER EAST LLC - DC 236   2008-09-13   
202-443 7 Washington Zone 1 DC 4249 CAVALIER EAST LLC - DC 236   2008-09-13   
202-443 8 Washington Zone 1 DC 4249 CAVALIER EAST LLC - DC 236   2008-09-13   
202-443 9 Washington Zone 1 DC 4249 CAVALIER EAST LLC - DC 236   2008-09-13   
202-454 A Washington Zone 1 DC 4249 CAVALIER EAST LLC - DC 236      
202-587 A Washington Zone 1 DC 4249 CAVALIER EAST LLC - DC 236      
240-207 A Damascus MD 4820 CAVALIER EAST LLC - MD 236      
240-207 0 Damascus MD 4820 CAVALIER EAST LLC - MD 236      
240-207 5 Damascus MD 4820 CAVALIER EAST LLC - MD 236      
240-207 9 Damascus MD 4820 CAVALIER EAST LLC - MD 236      
240-320 A Waldorf MD 4820 CAVALIER EAST LLC - MD 236      
240-320 0 Waldorf MD 4820 CAVALIER EAST LLC - MD 236      
240-320 1 Waldorf MD 4820 CAVALIER EAST LLC - MD 236      
240-320 8 Waldorf MD 4820 CAVALIER EAST LLC - MD 236      
240-320 9 Waldorf MD 4820 CAVALIER EAST LLC - MD 236      
240-333 A Washington Zone 2 MD 4820 CAVALIER EAST LLC - MD 236      
240-339 A Washington Zone 15 MD 4820 CAVALIER EAST LLC - MD 236      
240-339 0 Washington Zone 15 MD 4820 CAVALIER EAST LLC - MD 236      
240-339 9 Washington Zone 15 MD 4820 CAVALIER EAST LLC - MD 236      
240-364 A Gaithersburg MD 4820 CAVALIER EAST LLC - MD 236      
240-364 0 Gaithersburg MD 4820 CAVALIER EAST LLC - MD 236      
240-364 1 Gaithersburg MD 4820 CAVALIER EAST LLC - MD 236      
240-364 2 Gaithersburg MD 4820 CAVALIER EAST LLC - MD 236      
240-364 3 Gaithersburg MD 4820 CAVALIER EAST LLC - MD 236      
240-364 5 Gaithersburg MD 4820 CAVALIER EAST LLC - MD 236      
240-364 6 Gaithersburg MD 4820 CAVALIER EAST LLC - MD 236      
240-364 7 Gaithersburg MD 4820 CAVALIER EAST LLC - MD 236      
240-364 8 Gaithersburg MD 4820 CAVALIER EAST LLC - MD 236      
240-364 9 Gaithersburg MD 4820 CAVALIER EAST LLC - MD 236      
240-387 A Washington Zone 13 MD 4820 CAVALIER EAST LLC - MD 236      
240-387 0 Washington Zone 13 MD 4820 CAVALIER EAST LLC - MD 236      
240-387 1 Washington Zone 13 MD 4820 CAVALIER EAST LLC - MD 236      
240-387 2 Washington Zone 13 MD 4820 CAVALIER EAST LLC - MD 236      
240-387 3 Washington Zone 13 MD 4820 CAVALIER EAST LLC - MD 236      
240-387 4 Washington Zone 13 MD 4820 CAVALIER EAST LLC - MD 236      
240-387 5 Washington Zone 13 MD 4820 CAVALIER EAST LLC - MD 236      
240-387 8 Washington Zone 13 MD 4820 CAVALIER EAST LLC - MD 236      
240-387 9 Washington Zone 13 MD 4820 CAVALIER EAST LLC - MD 236      
240-494 A Washington Zone 3 MD 4820 CAVALIER EAST LLC - MD 236      
240-494 0 Washington Zone 3 MD 4820 CAVALIER EAST LLC - MD 236      
240-494 1 Washington Zone 3 MD 4820 CAVALIER EAST LLC - MD 236      
240-494 2 Washington Zone 3 MD 4820 CAVALIER EAST LLC - MD 236      
240-494 3 Washington Zone 3 MD 4820 CAVALIER EAST LLC - MD 236      
240-494 4 Washington Zone 3 MD 4820 CAVALIER EAST LLC - MD 236      
240-494 5 Washington Zone 3 MD 4820 CAVALIER EAST LLC - MD 236      

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Last updated: Sun, 28 Feb 2021 19:06:05 UTC

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