Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 387

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-387 A Washington Zone 13 MD WASHDC12OMD  4820 CAVALIER EAST, LLC - MD 236      
240-387 0 Washington Zone 13 MD WASHDC12OMD  4820 CAVALIER EAST, LLC - MD 236      
240-387 1 Washington Zone 13 MD WASHDC12OMD  4820 CAVALIER EAST, LLC - MD 236      
240-387 2 Washington Zone 13 MD WASHDC12OMD  4820 CAVALIER EAST, LLC - MD 236      
240-387 3 Washington Zone 13 MD WASHDC12OMD  4820 CAVALIER EAST, LLC - MD 236      
240-387 4 Washington Zone 13 MD WASHDC12OMD  4820 CAVALIER EAST, LLC - MD 236      
240-387 5 Washington Zone 13 MD   876D ONVOY, LLC - MD 236   2024-04-19   
240-387 6 Washington Zone 13 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2007-02-22   
240-387 7 Washington Zone 13 MD WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2007-02-22   
240-387 8 Washington Zone 13 MD   876D ONVOY, LLC - MD 236   2024-04-19   
240-387 9 Washington Zone 13 MD   876D ONVOY, LLC - MD 236   2024-04-21   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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