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: 984

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-984 A New Market MD FRDRMDFRXAX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 240      
240-984 0 New Market MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2023-10-22   
240-984 1 New Market MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2023-10-22   
240-984 2 New Market MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2023-10-22   
240-984 3 New Market MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2023-10-22   
240-984 4 New Market MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2023-10-22   
240-984 5 New Market MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2023-06-16   

Last updated: Sun, 18 Aug 2024 23:40:19 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.