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.

Cumberland, MD

1 2 3 4 5 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-362 A CSTWMDCRDS0  9212 VERIZON MARYLAND, INC. 240      
240-362 0 CSTWMDCRDS0  9212 VERIZON MARYLAND, INC. 240      
240-362 1 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240   2005-01-31   
240-362 2 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240   2005-01-31   
240-362 3 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240   2005-01-31   
240-362 4 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240   2005-01-31   
240-362 5 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240   2005-01-31   
240-362 6 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240   2006-07-03   
240-362 7 CMLDMDCH0MD  228C IDT AMERICA, CORP. - MD 240   2006-10-06   
240-362 8 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240   2007-03-13   
240-362 9 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2004-11-27   
240-378 A HGTWMD53DS0  2593 CORE COMMUNICATIONS, INC.- MD 240      
240-410 A FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
240-410 0 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2021-08-27   
240-410 1 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-05-21   
240-410 2 FRDRMDFRXPX  624H ONVOY SPECTRUM, LLC 240   2021-05-24   
240-410 3 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2021-08-27   
240-410 4 FRDRMDFRKMD  5562 METROPCS, INC. 240   2022-11-16   
240-410 5 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-07-11   
240-410 6 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2021-07-11   
240-410 7 FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2021-05-30   
240-410 8 FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2021-05-30   
240-410 9 FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2021-03-15   
240-522 A   5562 METROPCS, INC. 240      
240-522 0 CMLDMDCH0MD  228C IDT AMERICA, CORP. - MD 240   2007-08-03   
240-522 1 FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2006-10-11   
240-522 2 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240   2007-09-19   
240-522 3 MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2007-09-25   
240-522 4 MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2008-03-07   
240-522 5 MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2008-04-02   
240-522 6 MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2008-07-17   
240-522 7 MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2008-11-17   
240-522 8 MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2009-05-29   
240-522 9   5562 METROPCS, INC. 240      
240-580 A FRDRMDFRKMD  6664 SPRINT SPECTRUM, L.P. 240      
240-580 0 FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
240-580 1 FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2005-04-15   
240-580 2 FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2005-04-15   
240-580 3 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2008-12-04   
240-580 4 FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2005-12-22   
240-580 5 FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2005-03-01   
240-580 6 FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240      
240-580 7 FRDRMDFRKMD  5562 METROPCS, INC. 240      
240-580 8 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2010-02-22   
240-580 9 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2010-09-04   
240-609 A MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
240-609 0 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2015-10-26   
240-609 1 CMLDMDCH0MD  228C IDT AMERICA, CORP. - MD 240   2016-08-18   
240-609 2 FRDRMDFRKMD  5562 METROPCS, INC. 240   2017-05-03   
240-609 3 FRDRMDFRX7X  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 240   2015-07-21   

1 2 3 4 5 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.