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: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

<< 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 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-310 5 Parkville MD BLTQMD013MD  939H COMMIO, LLC 238   2021-08-28   
667-310 6 Parkville MD BLTQMD013MD  939H COMMIO, LLC 238   2021-08-28   
667-310 7 Parkville MD BLTQMD013MD  939H COMMIO, LLC 238   2021-08-28   
667-310 8 Parkville MD BLTQMD013MD  939H COMMIO, LLC 238   2021-08-28   
667-310 9 Parkville MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-05-28   
667-312 A Baltimore MD BLTMMDSN1MD  361H ATLANTECH ONLINE, INC. - MD 238      
667-312 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-10-09   
667-312 1 Baltimore MD BLTMMDSN1MD  361H ATLANTECH ONLINE, INC. - MD 238   2015-07-20   
667-312 2 Baltimore MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2016-01-05   
667-312 3 Baltimore MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2015-11-16   
667-312 4 Baltimore MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2017-02-09   
667-312 5 Baltimore MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2018-11-15   
667-312 6 Baltimore MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-12   
667-312 7 Baltimore MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-12   
667-312 8 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-10-09   
667-312 9 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2015-10-09   
667-313 A Pikesville MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238      
667-313 0 Pikesville MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2016-01-30   
667-313 1 Pikesville MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2016-01-30   
667-313 2 Pikesville MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2016-01-30   
667-313 3 Pikesville MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2016-01-30   
667-313 4 Pikesville MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2016-01-30   
667-313 5 Pikesville MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2016-01-30   
667-313 6 Pikesville MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2016-01-30   
667-313 7 Pikesville MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2016-01-30   
667-313 8 Pikesville MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2016-01-30   
667-313 9 Pikesville MD   7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2016-01-30   
667-314 A Westminster MD BLTQMD012MD  964H BARR TELL USA, INC. 238      
667-314 0 Westminster MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-07-12   
667-314 1 Westminster MD BLTQMD012MD  964H BARR TELL USA, INC. 238   2016-12-17   
667-314 2 Westminster MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-09-27   
667-314 3 Westminster MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2017-10-30   
667-314 4 Westminster MD BLTMMDCHX7X  073H TELNYX LLC 238   2017-03-14   
667-314 5 Westminster MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-10-02   
667-314 6 Westminster MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-07-12   
667-314 7 Westminster MD   145J TERRA NOVA TELECOM INC. 238   2024-02-15   
667-315 A Bel Air MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238      
667-315 0 Bel Air MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-06-12   
667-315 1 Bel Air MD   939H COMMIO, LLC 238   2021-10-11   
667-315 2 Bel Air MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2022-01-15   
667-315 3 Bel Air MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-06-13   
667-315 4 Bel Air MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-09-23   
667-315 5 Bel Air MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-09-23   
667-315 6 Bel Air MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-09-23   
667-315 7 Bel Air MD BLTQMD013MD  939H COMMIO, LLC 238   2021-10-11   
667-315 8 Bel Air MD BLTQMD013MD  939H COMMIO, LLC 238   2021-10-11   
667-315 9 Bel Air MD BLTQMD013MD  939H COMMIO, LLC 238   2021-10-11   
667-316 A Oxford MD SLBRMDSBXMD  073H TELNYX LLC 242      
667-316 0 Oxford MD SLBRMDSBXMD  073H TELNYX LLC 242   2021-06-08   
667-316 1 Oxford MD SLBRMD901MD  939H COMMIO, LLC 242   2023-09-28   

<< 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 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 >>

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.