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 6 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
240-964 9 CMLDMDCMDS0  9212 VERIZON MARYLAND, INC. 240   2008-08-01   
240-967 A FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240      
240-967 0 HGTWMD53FMD  490J BOOST SUBSCRIBERCO L.L.C. 240   2022-12-08   
240-967 1 FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2023-09-25   
240-967 2 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2025-01-04   
240-967 3 CMLDMDCMEMD  876D ONVOY, LLC - MD 240   2025-05-03   
240-967 4 FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2025-07-19   
240-967 5 FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2025-12-28   
240-967 6   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2026-08-30   
240-967 7 MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2024-10-29   
240-967 8 FRDRMDFRXSX  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 240   2024-10-11   
240-967 9 FRDRMDFRKMD  5562 METROPCS, INC. 240   2022-12-03   
240-979 A FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-979 0 FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
240-979 1 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-07-02   
240-979 2 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-08-19   
240-979 3 FRDRMDLH7MD  281E YMAX COMMUNICATIONS CORP. - MD 240   2009-03-13   
240-979 4 FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240   2005-06-10   
240-979 5 FRDRMDLH7MD  281E YMAX COMMUNICATIONS CORP. - MD 240   2009-03-13   
240-979 6 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2011-06-02   
240-979 7 MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2011-11-28   
240-979 8 MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2011-11-28   
240-979 9 FRDRMDFRXMD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 240      
301-268 A CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-268 0 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-268 1 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-268 2 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-268 3 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-268 4 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-268 5 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-268 6 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-268 7 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-268 8 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-268 9 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-338 A CMLDMDCH0MD  228C IDT AMERICA, CORP. - MD 240      
301-338 0 MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2011-03-10   
301-338 1 MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2007-12-06   
301-338 2 CMLDMDCH0MD  228C IDT AMERICA, CORP. - MD 240   2006-03-25   
301-338 3 MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240   2011-03-10   
301-338 4 FRDRMDFRKMD  5562 METROPCS, INC. 240   2011-08-25   
301-338 5 FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2011-08-25   
301-338 6 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2014-05-30   
301-338 7 FRDRMDFRKMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 240   2011-11-11   
301-338 8 HGTWMDHGDMD  071F BANDWIDTH.COM CLEC, LLC - MD 240   2012-02-19   
301-338 9 CMLDMDCM2MD  836G SHENTEL COMMUNICATIONS, LLC. - MD 240   2014-06-02   
301-697 A MNRVMDMOXFX  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 240      
301-707 A CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-707 0 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-707 1 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      
301-707 2 CMLDMDCM5MD  4720 USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MD 240      

<< 1 2 3 4 5 6 >>

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.