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: 816

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
240-816 A Keedysville MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
240-816 0 Keedysville MD HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
240-816 1 Keedysville MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
240-816 2 Keedysville MD FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240      
240-816 3 Keedysville MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-816 4 Keedysville MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-816 5 Keedysville MD CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-816 6 Keedysville MD FRDRMDFRXKX  508J CENTURYLINK COMMUNICATIONS, LLC 240      
240-816 7 Keedysville MD MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
240-816 8 Keedysville MD HGTWMD53DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 240      
240-816 9 Keedysville MD HGTWMD530MD  073H TELNYX LLC 240      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.