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.

NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-482 A Greensboro MD GNBOMDGRRS0  9212 VERIZON MARYLAND, INC. 242      
410-482 0 Greensboro MD   2593 CORE COMMUNICATIONS, INC.- MD 242      
410-482 1 Greensboro MD SLBRMDSBXUX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242      
410-482 2 Greensboro MD GNBOMDGRRS0  9212 VERIZON MARYLAND, INC. 242      
410-482 3 Greensboro MD ESTNMDESMMD  228C IDT AMERICA, CORP. - MD 242      
410-482 4 Greensboro MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242      
410-482 5 Greensboro MD ESTNMDES5MD  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 242      
410-482 6 Greensboro MD GNBOMDGRRS0  9212 VERIZON MARYLAND, INC. 242      
410-482 7 Greensboro MD GNBOMDGRRS0  9212 VERIZON MARYLAND, INC. 242      
410-482 8 Greensboro MD GNBOMDGRRS0  9212 VERIZON MARYLAND, INC. 242      
410-482 9 Greensboro MD GNBOMDGRRS0  9212 VERIZON MARYLAND, INC. 242      
410-483 A Baltimore MD BLTMMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-483 0 Baltimore MD BLTMMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-483 1 Baltimore MD BLTMMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-483 2 Baltimore MD BLTMMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-483 3 Baltimore MD BLTMMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-483 4 Baltimore MD BLTMMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-483 5 Baltimore MD BLTMMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-483 6 Baltimore MD BLTMMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-483 7 Baltimore MD BLTMMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-483 8 Baltimore MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-483 9 Baltimore MD BLTMMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-484 A Pikesville MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-485 A Baltimore MD BLTMMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-486 A Pikesville MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-487 A Glen Burnie MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-487 0 Glen Burnie MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-487 1 Glen Burnie MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-487 2 Glen Burnie MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-487 3 Glen Burnie MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-487 4 Glen Burnie MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-487 5 Glen Burnie MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-487 6 Glen Burnie MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
410-487 7 Glen Burnie MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-487 8 Glen Burnie MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-487 9 Glen Burnie MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-488 A Baltimore MD BLTMMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-489 A Glenwood MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-489 0 Glenwood MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-489 1 Glenwood MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
410-489 2 Glenwood MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-489 3 Glenwood MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
410-489 4 Glenwood MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-489 5 Glenwood MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-489 6 Glenwood MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-489 7 Glenwood MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-489 8 Glenwood MD BLTMMDCHAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 238      
410-489 9 Glenwood MD GLWDMDGDRS1  9212 VERIZON MARYLAND, INC. 238      
410-490 A Centreville MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-491 A Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 0 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 1 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 2 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 3 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 4 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 5 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 6 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 7 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 8 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-491 9 Catonsville MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
410-492 A Towson MD HNVAMDAE3MD  6630 USA MOBILITY WIRELESS, INC. 238      
410-493 A Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 1 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 2 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 3 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 4 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 5 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 6 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 7 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 8 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-493 9 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-494 A Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-495 A Prince Frederick MD MUTLMDMTRS0  9212 VERIZON MARYLAND, INC. 238      
410-496 A Randallstown MD RNTWMDRADS0  9212 VERIZON MARYLAND, INC. 238      
410-497 A Parkville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
410-497 0 Parkville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
410-497 1 Parkville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
410-497 2 Parkville MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-497 3 Parkville MD BLTMMDCH14Z  2697 CTC COMMUNICATIONS CORP. - MD 238      
410-497 4 Parkville MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-497 5 Parkville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
410-497 6 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
410-497 7 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
410-497 8 Parkville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
410-497 9 Parkville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
410-498 A Cockeysville MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-498 0 Cockeysville MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-498 1 Cockeysville MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-498 2 Cockeysville MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-498 3 Cockeysville MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-498 4 Cockeysville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
410-498 5 Cockeysville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
410-498 6 Cockeysville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
410-498 7 Cockeysville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
410-498 8 Cockeysville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
410-498 9 Cockeysville MD HNVAMDBHAMD  3910 CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD 238      
410-499 A Baltimore MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-499 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-499 1 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.