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
667-669 9 Galena MD   145J TERRA NOVA TELECOM INC. 242   2021-08-17   
667-670 A Sudlersville MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-670 0 Sudlersville MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-18   
667-670 1 Sudlersville MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-18   
667-670 3 Sudlersville MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-670 6 Sudlersville MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-17   
667-670 7 Sudlersville MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-05-21   
667-670 8 Sudlersville MD SLBRMD908MD  490J DISH WIRELESS, LLC 242   2022-12-20   
667-676 A Willards MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-676 0 Willards MD SLBRMDSBWMD  073H TELNYX LLC 242   2021-03-04   
667-676 1 Willards MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2022-03-14   
667-676 2 Willards MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2022-03-14   
667-676 4 Willards MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-676 6 Willards MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-11-21   
667-676 7 Willards MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-11-21   
667-676 8 Willards MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-07-12   
667-677 A Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-677 0 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-02-06   
667-677 1 Baltimore MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2016-02-06   
667-677 2 Baltimore MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-12   
667-677 3 Baltimore MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-12   
667-677 4 Baltimore MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-12   
667-677 5 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-06-09   
667-677 6 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-06-09   
667-677 7 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-06-09   
667-677 8 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2015-06-09   
667-677 9 Baltimore MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2016-11-05   
667-678 A Columbia MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238      
667-678 0 Columbia MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-10-16   
667-678 1 Columbia MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-10-16   
667-678 2 Columbia MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-10-15   
667-678 3 Columbia MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-10-24   
667-678 4 Columbia MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-10-24   
667-678 5 Columbia MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2021-10-24   
667-678 6 Columbia MD BLTQMD013MD  939H COMMIO, LLC 238   2021-10-16   
667-678 7 Columbia MD BLTQMD013MD  939H COMMIO, LLC 238   2021-10-16   
667-678 8 Columbia MD BLTQMD013MD  939H COMMIO, LLC 238   2021-10-16   
667-678 9 Columbia MD BLTQMD013MD  939H COMMIO, LLC 238   2021-10-16   
667-686 A Ellicott City MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-686 0 Ellicott City MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-686 1 Ellicott City MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-686 2 Ellicott City MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-686 3 Ellicott City MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-686 4 Ellicott City MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-686 5 Ellicott City MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-686 6 Ellicott City MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2018-12-07   
667-686 7 Ellicott City MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2019-02-08   
667-686 8 Ellicott City MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-06-16   
667-686 9 Ellicott City MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2019-05-11   
667-687 A Warwick MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      

<< 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: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.