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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-285 1 Hurlock MD SLBRMD902MD  073H TELNYX LLC 242   2017-09-13   
667-285 2 Hurlock MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-06-17   
667-285 3 Hurlock MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-06-17   
667-285 4 Hurlock MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-06-17   
667-285 5 Hurlock MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-07-31   
667-285 6 Hurlock MD SLBRMDSBXUX  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 242   2018-01-05   
667-285 8 Hurlock MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-285 9 Hurlock MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-286 A Salisbury MD SLBRMD907MD  321J HD CARRIER LLC 242      
667-286 0 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2021-09-06   
667-286 1 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2021-09-06   
667-286 2 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2021-09-06   
667-286 3 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2021-09-03   
667-286 4 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2021-09-06   
667-286 8 Salisbury MD SLBRMD907MD  321J HD CARRIER LLC 242   2020-10-09   
667-286 9 Salisbury MD SLBRMD907MD  321J HD CARRIER LLC 242   2020-10-09   
667-287 A Bishopville MD SLBRMDSBX0Y  478J NUSO, LLC 242      
667-287 0 Bishopville MD SLBRMD901MD  939H COMMIO, LLC 242   2023-12-21   
667-287 1 Bishopville MD SLBRMDSBX0Y  478J NUSO, LLC 242   2020-10-27   
667-287 2 Bishopville MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-287 3 Bishopville MD SLBRMD901MD  939H COMMIO, LLC 242   2023-12-21   
667-287 4 Bishopville MD SLBRMD90BMD  516J TON80 COMMUNICATIONS, LLC 242   2022-04-04   
667-287 5 Bishopville MD SLBRMD901MD  939H COMMIO, LLC 242   2023-09-28   
667-287 6 Bishopville MD SLBRMD901MD  939H COMMIO, LLC 242   2023-09-28   
667-287 7 Bishopville MD SLBRMD901MD  939H COMMIO, LLC 242   2023-09-28   
667-287 8 Bishopville MD SLBRMD901MD  939H COMMIO, LLC 242   2023-09-28   
667-287 9 Bishopville MD SLBRMD901MD  939H COMMIO, LLC 242   2023-09-28   
667-288 A Berlin MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
667-288 0 Berlin MD SLBRMD90DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 242   2020-10-30   
667-288 1 Berlin MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2021-02-26   
667-288 2 Berlin MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2020-10-29   
667-288 3 Berlin MD SLBRMDSBXLX  318J COMCAST IP PHONE, LLC 242   2021-02-26   
667-288 4 Berlin MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2022-10-16   
667-288 5 Berlin MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-288 6 Berlin MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-03-05   
667-288 7 Berlin MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-03-05   
667-288 9 Berlin MD SLBRMD90DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 242   2021-02-21   
667-289 A Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
667-289 0 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-01-01   
667-289 1 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-01-01   
667-289 2 Aberdeen MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2024-11-20   
667-289 3 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-01-01   
667-289 4 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-01-23   
667-289 5 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-01-23   
667-289 6 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-01-23   
667-289 7 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-10-16   
667-289 8 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-10-16   
667-289 9 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-10-16   
667-290 A Baltimore MD BLTMMDCHXHX  515J IP HORIZON LLC 238      
667-290 0 Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-11-01   
667-290 1 Baltimore MD   515J IP HORIZON LLC 238   2020-10-31   
667-290 2 Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-11-01   
667-290 3 Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-11-01   
667-290 4 Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-11-01   
667-290 5 Baltimore MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-11-01   
667-290 6 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-12-26   
667-290 7 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2020-12-26   
667-290 8 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-02-18   
667-290 9 Baltimore MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2021-02-18   
667-291 A Millington MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-291 0 Millington MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2017-05-11   
667-291 1 Millington MD SLBRMD902MD  073H TELNYX LLC 242   2017-09-13   
667-291 2 Millington MD SLBRMD906MD  145J TERRA NOVA TELECOM INC. 242   2024-02-15   
667-291 3 Millington MD SLBRMD906MD  145J TERRA NOVA TELECOM INC. 242   2024-10-12   
667-291 7 Millington MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-04-29   
667-291 8 Millington MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-291 9 Millington MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-292 A Salisbury MD SLBRMDSBXRX  515J IP HORIZON LLC 242      
667-292 0 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2021-11-04   
667-292 1 Salisbury MD   515J IP HORIZON LLC 242   2020-10-31   
667-292 4 Salisbury MD SLBRMD90DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 242   2024-11-20   
667-292 5 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2021-11-04   
667-292 6 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2021-11-04   
667-292 7 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2021-11-04   
667-292 8 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2021-11-04   
667-292 9 Salisbury MD SLBRMDSCXMD  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2021-11-04   
667-293 A Sharptown MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-293 1 Sharptown MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242   2022-11-18   
667-293 3 Sharptown MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-11-21   
667-293 4 Sharptown MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-293 5 Sharptown MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-11-15   
667-293 6 Sharptown MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242   2021-05-27   
667-293 9 Sharptown MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2020-11-21   
667-294 A Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238      
667-294 0 Towson MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2020-11-06   
667-294 1 Towson MD BLTMMDCHXUX  624H ONVOY SPECTRUM, LLC 238   2021-05-23   
667-294 3 Towson MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2022-09-30   
667-294 4 Towson MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2021-02-26   
667-294 5 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-11-05   
667-294 6 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-11-05   
667-294 7 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-11-05   
667-294 8 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-11-05   
667-294 9 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-11-05   
667-295 A Crofton MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238      
667-295 0 Crofton MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-295 1 Crofton MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2018-12-06   
667-295 2 Crofton MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 238   2018-12-07   
667-295 3 Crofton MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2023-08-10   
667-295 4 Crofton MD BLTMMD91GT0  2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-02   
667-295 5 Crofton MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2020-11-29   

<< 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 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.