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.

Lonaconing, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-774 A HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240      
240-774 0 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-12-03   
240-774 1 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-09-12   
240-774 2 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2016-09-12   
240-774 3   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-06-17   
240-774 4   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-06-17   
240-774 5   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-06-17   
240-774 6 MTARMDSDGT0  2593 CORE COMMUNICATIONS, INC.- MD 240   2019-03-29   
240-774 7 FRDRMDFRXKX  7575 CENTURYLINK COMMUNICATIONS LLC 240   2016-11-12   
240-774 8 HGTWMD530MD  073H TELNYX LLC 240   2017-08-08   
240-774 9   566J RADIANTIQ LLC 240   2021-05-14   
301-463 A LNCNMDLNRS0  9212 VERIZON MARYLAND, INC. 240      
301-463 0 MTARMDSDDS0  2593 CORE COMMUNICATIONS, INC.- MD 240   2004-03-28   
301-463 1 CMLDMDCH0MD  228C IDT AMERICA, CORP. - MD 240   2006-03-10   
301-463 2 LNCNMDLNRS0  9212 VERIZON MARYLAND, INC. 240      
301-463 3 LNCNMDLNRS0  9212 VERIZON MARYLAND, INC. 240      
301-463 4 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-03-01   
301-463 5 LNCNMDLNRS0  9212 VERIZON MARYLAND, INC. 240      
301-463 6 LNCNMDLNRS0  9212 VERIZON MARYLAND, INC. 240      
301-463 7 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2012-01-12   
301-463 8 FRDRMDFRXTX  318J COMCAST IP PHONE LLC 240   2014-03-24   
301-463 9 FRDRMDFRXAX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 240   2012-03-26   

Last updated: Fri, 23 Jul 2021 12:43:22 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.