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
410-305 7 Odenton MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
410-305 8 Odenton MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
410-305 9 Odenton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
410-306 A Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-306 0 Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-306 1 Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-306 2 Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-306 3 Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-306 4 Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-306 5 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
410-306 6 Aberdeen MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 236      
410-306 7 Aberdeen MD CLMAMDJTAMD  2589 US LEC OF MARYLAND, INC. 236      
410-306 8 Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-306 9 Aberdeen MD BLTMMDCHAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 236      
410-307 A Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-307 0 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-307 1 Towson MD BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238      
410-307 2 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-307 3 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-307 4 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-307 5 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-307 6 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-307 7 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-307 8 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-307 9 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238      
410-308 A Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-309 A Columbia MD CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
410-310 A Easton MD ESTNMDESQMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 242      
410-312 A Columbia MD CLMAMDSRRS0  9212 VERIZON MARYLAND, INC. 238      
410-312 0 Columbia MD CLMAMDSRRS0  9212 VERIZON MARYLAND, INC. 238      
410-312 1 Columbia MD CLMAMDSRRS0  9212 VERIZON MARYLAND, INC. 238      
410-312 2 Columbia MD CLMAMDSRRS0  9212 VERIZON MARYLAND, INC. 238      
410-312 3 Columbia MD CLMAMDSRRS0  9212 VERIZON MARYLAND, INC. 238      
410-312 4 Columbia MD CLMAMDSRRS0  9212 VERIZON MARYLAND, INC. 238      
410-312 5 Columbia MD CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
410-312 6 Columbia MD CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
410-312 7 Columbia MD CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
410-312 8 Columbia MD CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
410-312 9 Columbia MD CLMAMDOBDS0  9212 VERIZON MARYLAND, INC. 238      
410-313 A Ellicott City MD ELCYMDELDS0  9212 VERIZON MARYLAND, INC. 238      
410-314 A Arbutus MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-314 0 Arbutus MD BLTQMD013MD  939H COMMIO, LLC 238      
410-314 1 Arbutus MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-314 2 Arbutus MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-314 3 Arbutus MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
410-314 4 Arbutus MD BLTMMDCHX7X  073H TELNYX LLC 238      
410-314 5 Arbutus MD BLTMMDCHAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 238      
410-314 6 Arbutus MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
410-314 7 Arbutus MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
410-314 8 Arbutus MD BLTMMDCHFMD  5562 METROPCS, INC. 238      
410-314 9 Arbutus MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-315 A Severna Park MD SVPKMDSPDS0  9212 VERIZON MARYLAND, INC. 238      
410-315 0 Severna Park MD   145J TERRA NOVA TELECOM INC. 238      
410-315 1 Severna Park MD   876D ONVOY, LLC - MD 238      
410-315 2 Severna Park MD   515J IP HORIZON LLC 238      
410-315 3 Severna Park MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
410-315 4 Severna Park MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
410-315 5 Severna Park MD SVPKMDSPDS0  9212 VERIZON MARYLAND, INC. 238      
410-315 6 Severna Park MD SVPKMDSPDS0  9212 VERIZON MARYLAND, INC. 238      
410-315 7 Severna Park MD SVPKMDSPDS0  9212 VERIZON MARYLAND, INC. 238      
410-315 8 Severna Park MD SVPKMDSPDS0  9212 VERIZON MARYLAND, INC. 238      
410-315 9 Severna Park MD SVPKMDSPDS0  9212 VERIZON MARYLAND, INC. 238      
410-316 A Cockeysville MD CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-316 0 Cockeysville MD CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-316 1 Cockeysville MD BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238      
410-316 2 Cockeysville MD MANRMDMNRS0  9212 VERIZON MARYLAND, INC. 238      
410-316 3 Cockeysville MD CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-316 4 Cockeysville MD CLMAMDNIDS1  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238      
410-316 5 Cockeysville MD CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-316 6 Cockeysville MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
410-316 7 Cockeysville MD CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-316 8 Cockeysville MD CYVLMDDADS0  9212 VERIZON MARYLAND, INC. 238      
410-316 9 Cockeysville MD BLTMMDCHAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 238      
410-317 A Armiger-Gibson Island MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-317 0 Armiger-Gibson Island MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
410-317 1 Armiger-Gibson Island MD BLTMMDCH08Z  4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238      
410-317 2 Armiger-Gibson Island MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
410-317 3 Armiger-Gibson Island MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238      
410-317 4 Armiger-Gibson Island MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-317 5 Armiger-Gibson Island MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238      
410-317 6 Armiger-Gibson Island MD PIVLMDPKFMD  9170 BROADVIEW NETWORKS, INC. - MD 238      
410-317 7 Armiger-Gibson Island MD   2593 CORE COMMUNICATIONS, INC.- MD 238      
410-317 8 Armiger-Gibson Island MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
410-317 9 Armiger-Gibson Island MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
410-318 A Baltimore MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-318 0 Baltimore MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-318 1 Baltimore MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-318 2 Baltimore MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-318 3 Baltimore MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-318 4 Baltimore MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-318 5 Baltimore MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-318 6 Baltimore MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-318 7 Baltimore MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-318 8 Baltimore MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-318 9 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238      
410-319 A Baltimore MD BLTMMDHMDS0  9212 VERIZON MARYLAND, INC. 238      
410-319 0 Baltimore MD BLTMMDCHAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 238      
410-319 1 Baltimore MD BLTMMDHMDS0  9212 VERIZON MARYLAND, INC. 238      
410-319 2 Baltimore MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
410-319 3 Baltimore MD BLTMMDHMDS0  9212 VERIZON MARYLAND, INC. 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: ISP Telecom

Like this site? We accept donations via PayPal.