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: 822

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-822 A New Market MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-822 0 New Market MD FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2022-10-14   
240-822 1 New Market MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-12-03   
240-822 2 New Market MD   876D ONVOY, LLC - MD 240   2024-03-02   
240-822 3 New Market MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2021-10-03   
240-822 4 New Market MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-05-14   
240-822 5 New Market MD FRDRMDFRXTX  318J COMCAST IP PHONE, LLC 240   2021-10-03   
240-822 6 New Market MD FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-05-24   
240-822 7 New Market MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-07-11   
240-822 8 New Market MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-07-11   
240-822 9 New Market MD   876D ONVOY, LLC - MD 240   2024-04-05   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.