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
667-252 8 Salisbury MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-10-23   
667-252 9 Salisbury MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-10-23   
667-253 A Salisbury MD SLBRMDSBAMD  551G NUSO, LLC 242      
667-253 1 Salisbury MD SLBRMDSBAMD  551G NUSO, LLC 242   2013-05-08   
667-253 2 Salisbury MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2017-12-18   
667-253 3 Salisbury MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2017-12-18   
667-253 4 Salisbury MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
667-253 5 Salisbury MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-22   
667-253 6 Salisbury MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-03-22   
667-253 7 Salisbury MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 242   2019-02-07   
667-253 8 Salisbury MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-10-23   
667-253 9 Salisbury MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-10-23   
667-254 A Chestertown MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-254 1 Chestertown MD   145J TERRA NOVA TELECOM INC. 242   2022-07-01   
667-254 2 Chestertown MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
667-254 3 Chestertown MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
667-254 4 Chestertown MD ESTNMDES5MD  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 242   2020-10-04   
667-254 5 Chestertown MD SLBRMD901MD  939H COMMIO, LLC 242   2022-08-21   
667-254 6 Chestertown MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
667-254 7 Chestertown MD SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
667-254 8 Chestertown MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-254 9 Chestertown MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-255 A Hillsboro MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-255 0 Hillsboro MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2018-10-13   
667-255 1 Hillsboro MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-255 2 Hillsboro MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-255 3 Hillsboro MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
667-255 4 Hillsboro MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
667-255 6 Hillsboro MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
667-255 8 Hillsboro MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2021-04-29   
667-255 9 Hillsboro MD   2593 CORE COMMUNICATIONS, INC.- MD 242   2019-05-02   
667-256 A Aberdeen MD BLTMMDCHXWX  114J EXIANT COMMUNICATIONS LLC 236      
667-256 0 Aberdeen MD   515J IP HORIZON LLC 236   2019-04-26   
667-256 1 Aberdeen MD BLTMMDCHXWX  114J EXIANT COMMUNICATIONS LLC 236   2018-11-18   
667-256 2 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-08-07   
667-256 3 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-08-07   
667-256 4 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-08-07   
667-256 5 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-08-07   
667-256 6 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-08-07   
667-256 7 Aberdeen MD BLTQMD01DS0  568G PEERLESS NETWORK OF MARYLAND, LLC 236   2020-02-26   
667-256 8 Aberdeen MD BLTMMDCH42Z  876D ONVOY, LLC - MD 236   2019-02-19   
667-256 9 Aberdeen MD BLTMMDCH42Z  876D ONVOY, LLC - MD 236   2019-02-19   
667-257 A Columbia MD BLTMMDCHXQX  197D VONAGE AMERICA LLC 238      
667-257 0 Columbia MD BLTMMDCHXQX  197D VONAGE AMERICA LLC 238   2018-12-29   
667-257 1 Columbia MD BLTMMDCHXQX  197D VONAGE AMERICA LLC 238   2018-12-29   
667-257 2 Columbia MD BLTMMDCHXQX  197D VONAGE AMERICA LLC 238   2018-12-29   
667-257 3 Columbia MD BLTMMDCHXQX  197D VONAGE AMERICA LLC 238   2018-12-29   
667-257 4 Columbia MD BLTMMDCHXQX  197D VONAGE AMERICA LLC 238   2018-12-30   
667-257 5 Columbia MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2022-10-16   
667-257 6 Columbia MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2021-05-01   

<< 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: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.