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.

Damascus (Hagerstown LATA), MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-240 A HGTWMD53CMD  965H FRACTEL, LLC 240      
240-240 0   965H FRACTEL, LLC 240   2020-09-03   
240-240 1   876D ONVOY, LLC - MD 240   2021-04-29   
240-240 2   876D ONVOY, LLC - MD 240   2021-05-21   
240-240 3   876D ONVOY, LLC - MD 240   2021-05-21   
240-240 4   965H FRACTEL, LLC 240   2020-09-03   
240-240 5   624H ONVOY SPECTRUM, LLC 240   2021-05-24   
240-240 6   876D ONVOY, LLC - MD 240   2021-09-20   
240-240 7   876D ONVOY, LLC - MD 240   2021-09-20   
240-240 8   145J TERRA NOVA TELECOM INC. 240   2024-02-15   
240-240 9   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2021-11-11   
240-891 A FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-891 0   876D ONVOY, LLC - MD 240   2023-10-22   
240-891 1   876D ONVOY, LLC - MD 240   2023-10-22   
240-891 2   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2022-02-10   
240-891 4   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2024-07-14   
240-891 5   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2022-03-12   
240-902 A CMLDMDCMAMD  506J TWILIO INTERNATIONAL, INC. 240      
240-902 2   624H ONVOY SPECTRUM, LLC 240   2022-03-03   
240-902 3   876D ONVOY, LLC - MD 240   2022-10-16   
240-902 4   624H ONVOY SPECTRUM, LLC 240   2022-03-03   
240-902 5   876D ONVOY, LLC - MD 240   2022-04-25   
240-902 6   876D ONVOY, LLC - MD 240   2022-04-25   
240-902 7   876D ONVOY, LLC - MD 240   2023-07-14   
240-902 8   506J TWILIO INTERNATIONAL, INC. 240   2022-02-26   
240-913 A CMLDMDCMEMD  876D ONVOY, LLC - MD 240      
240-913 0   073H TELNYX LLC 240   2017-08-08   
240-913 2   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2019-05-30   
240-913 3   876D ONVOY, LLC - MD 240   2021-04-29   
240-913 4   318J COMCAST IP PHONE, LLC 240   2018-02-02   
240-913 5   876D ONVOY, LLC - MD 240   2020-01-15   
240-913 6   876D ONVOY, LLC - MD 240   2020-01-15   
240-913 7   508J CENTURYLINK COMMUNICATIONS, LLC 240   2016-10-26   
240-913 8   876D ONVOY, LLC - MD 240   2016-10-02   
240-913 9   876D ONVOY, LLC - MD 240   2016-10-02   
301-363 A FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
301-363 0   071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-10-29   
301-363 1   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2008-11-26   
301-363 2   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2011-10-29   
301-363 3   318J COMCAST IP PHONE, LLC 240   2012-11-25   
301-363 4   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
301-363 5   318J COMCAST IP PHONE, LLC 240   2009-03-06   
301-363 6   624H ONVOY SPECTRUM, LLC 240   2021-12-09   
301-363 7   071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-11-25   
301-363 8   318J COMCAST IP PHONE, LLC 240   2007-04-07   
301-363 9   071F BANDWIDTH.COM CLEC, LLC - MD 240   2013-07-26   
301-607 A FRDRMDFRDS1  9212 VERIZON MARYLAND, INC. 240      
301-607 0   9212 VERIZON MARYLAND, INC. 240      
301-607 1   9212 VERIZON MARYLAND, INC. 240      
301-607 2   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240      
301-607 3   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240      
301-607 4   9212 VERIZON MARYLAND, INC. 240      
301-607 5   9212 VERIZON MARYLAND, INC. 240      
301-607 6   9212 VERIZON MARYLAND, INC. 240      
301-607 7   9212 VERIZON MARYLAND, INC. 240      
301-607 8   9212 VERIZON MARYLAND, INC. 240      
301-607 9   9212 VERIZON MARYLAND, INC. 240      
301-798 A NWMRMDNERS3  9212 VERIZON MARYLAND, INC. 240      
301-798 0   9212 VERIZON MARYLAND, INC. 240      
301-798 1   829J PAETEC ITEL, LLC 240   2015-02-09   
301-798 2   318J COMCAST IP PHONE, LLC 240   2010-06-26   
301-798 3   318J COMCAST IP PHONE, LLC 240   2016-02-17   
301-798 4   071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-05-17   
301-798 5   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2012-11-03   
301-798 6   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2014-01-31   
301-798 7   071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-08-25   
301-798 8   318J COMCAST IP PHONE, LLC 240   2014-06-06   
301-798 9   071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-02-28   
301-831 A NWMRMDNERS3  9212 VERIZON MARYLAND, INC. 240      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.