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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NPA: 240 [Rate centres in NPA 240] [Dial plan for NPA 240]

NXX: 900

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-900 A Washington Zone 4 MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-900 0 Washington Zone 4 MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-900 1 Washington Zone 4 MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-900 2 Washington Zone 4 MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-900 3 Washington Zone 4 MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-900 4 Washington Zone 4 MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-900 5 Washington Zone 4 MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-900 6 Washington Zone 4 MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-900 7 Washington Zone 4 MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-900 8 Washington Zone 4 MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-900 9 Washington Zone 4 MD VINNVACBDS0  876D ONVOY, LLC - MD 236      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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