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.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

NXX: 259

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-259 A Hughesville MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236      
240-259 0 Hughesville MD VINNVACBDS0  876D ONVOY, LLC - MD 236      
240-259 1 Hughesville MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-259 2 Hughesville MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236      
240-259 3 Hughesville MD WASHDCDP8MD  071F BANDWIDTH.COM CLEC, LLC - MD 236      
240-259 4 Hughesville MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236      
240-259 5 Hughesville MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236      
240-259 6 Hughesville MD WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236      
240-259 7 Hughesville MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-259 8 Hughesville MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
240-259 9 Hughesville MD BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.