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: 782

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-782 A Damascus MD WASJDCDCDS0  6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-782 0 Damascus MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-782 1 Damascus MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-782 2 Damascus MD   876D ONVOY, LLC - MD 236   2014-10-24   
240-782 3 Damascus MD   876D ONVOY, LLC - MD 236   2014-10-24   
240-782 4 Damascus MD   6050 GLOBAL CROSSING LOCAL SERVICES, INC.-MD 236      
240-782 5 Damascus MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2021-04-09   
240-782 6 Damascus MD   071F BANDWIDTH.COM CLEC, LLC - MD 236   2015-07-04   
240-782 7 Damascus MD   508J CENTURYLINK COMMUNICATIONS LLC 236   2014-06-25   
240-782 8 Damascus MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-03   
240-782 9 Damascus MD   568G PEERLESS NETWORK OF MARYLAND, LLC 236   2013-05-03   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.