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.

Hancock, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-287 A HGTWMD53DS0  2593 CORE COMMUNICATIONS, INC.- MD 240      
240-343 A FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
240-343 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2011-07-07   
240-343 1   071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-07-31   
240-343 2   071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-07-31   
240-343 3   071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-07-31   
240-343 4   071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-09-02   
240-343 5   071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-09-02   
240-343 6   071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-09-02   
240-343 7   071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-07-04   
240-343 8   318J COMCAST IP PHONE, LLC 240   2016-06-20   
240-343 9   876D ONVOY, LLC - MD 240   2016-09-12   
240-738 A FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
240-738 0   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2020-10-18   
240-738 1   836G SHENTEL COMMUNICATIONS, LLC. - MD 240   2020-10-22   
240-738 3   624H ONVOY SPECTRUM, LLC 240   2021-05-24   
240-738 4   624H ONVOY SPECTRUM, LLC 240   2021-11-15   
240-738 5   624H ONVOY SPECTRUM, LLC 240   2021-11-15   
240-738 6   876D ONVOY, LLC - MD 240   2021-05-21   
240-738 8   876D ONVOY, LLC - MD 240   2021-05-21   
240-738 9   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2023-11-03   
240-998 A FRDRMDFRXKX  508J CENTURYLINK COMMUNICATIONS, LLC 240      
240-998 0   073H TELNYX LLC 240   2017-08-08   
240-998 1   876D ONVOY, LLC - MD 240   2017-12-14   
240-998 2   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-06-17   
240-998 3   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-06-17   
240-998 4   2593 CORE COMMUNICATIONS, INC.- MD 240   2018-06-17   
240-998 5   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2019-01-07   
240-998 6   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2019-06-21   
240-998 7   508J CENTURYLINK COMMUNICATIONS, LLC 240   2016-12-16   
240-998 8   876D ONVOY, LLC - MD 240   2020-01-06   
240-998 9   876D ONVOY, LLC - MD 240   2020-01-06   
301-678 A HNCCMDHNRS0  9212 VERIZON MARYLAND, INC. 240      
301-678 1   876D ONVOY, LLC - MD 240   2016-09-12   
301-678 2   9212 VERIZON MARYLAND, INC. 240      
301-678 3   071F BANDWIDTH.COM CLEC, LLC - MD 240   2008-12-04   
301-678 4   071F BANDWIDTH.COM CLEC, LLC - MD 240   2007-06-04   
301-678 5   9212 VERIZON MARYLAND, INC. 240      
301-678 6   9212 VERIZON MARYLAND, INC. 240      
301-678 7   9212 VERIZON MARYLAND, INC. 240      
301-678 8   071F BANDWIDTH.COM CLEC, LLC - MD 240   2010-03-25   
301-678 9   071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-01-02   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.