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: 208

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-208 A La Plata MD WASHDC12DS6  568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-208 0 La Plata MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-208 1 La Plata MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-208 2 La Plata MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-208 3 La Plata MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-208 4 La Plata MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-208 5 La Plata MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236      
240-208 6 La Plata MD   145J TERRA NOVA TELECOM INC. 236      
240-208 7 La Plata MD   876D ONVOY, LLC - MD 236      

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.