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.

OCN: 876D ONVOY, LLC - MD

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
667-856 9 Dundalk MD BLTMMDCH42Z  238   2023-08-10   
667-868 0 Crisfield MD SLBRMDSBXVX  242   2019-03-04   
667-868 1 Crisfield MD SLBRMDSBXVX  242   2019-03-04   
667-868 7 Crisfield MD SLBRMDSBXVX  242   2021-05-21   
667-887 A Worthington MD BLTMMDCH42Z  238      
667-887 6 Worthington MD BLTMMDCH42Z  238   2021-05-22   
667-888 A Baltimore MD BLTMMDCH42Z  238      
667-888 0 Baltimore MD BLTMMDCH42Z  238   2015-07-27   
667-888 1 Baltimore MD BLTMMDCH42Z  238   2015-07-27   
667-888 2 Baltimore MD BLTMMDCH42Z  238   2015-07-27   
667-888 3 Baltimore MD BLTMMDCH42Z  238   2015-07-27   
667-888 4 Baltimore MD BLTMMDCH42Z  238   2015-07-27   
667-888 5 Baltimore MD BLTMMDCH42Z  238   2015-07-27   
667-888 6 Baltimore MD BLTMMDCH42Z  238   2015-07-27   
667-888 7 Baltimore MD BLTMMDCH42Z  238   2015-07-27   
667-888 8 Baltimore MD BLTMMDCH42Z  238   2014-09-26   
667-888 9 Baltimore MD BLTMMDCH42Z  238   2015-07-27   
667-897 7 Chesapeake City MD SLBRMDSBXVX  242   2022-10-16   
667-899 3 Baltimore MD BLTMMDCH42Z  238   2022-05-15   
667-899 4 Baltimore MD BLTMMDCH42Z  238   2022-05-22   
667-910 6 Baltimore MD BLTMMDCH42Z  238   2021-08-28   
667-925 3 Bel Air MD BLTMMDCH42Z  238   2023-08-10   
667-925 6 Bel Air MD BLTMMDCH42Z  238   2022-04-25   
667-925 7 Bel Air MD BLTMMDCH42Z  238   2023-08-10   
667-925 8 Bel Air MD BLTMMDCH42Z  238   2023-08-10   
667-930 1 Baltimore MD BLTMMDCH42Z  238   2016-02-19   
667-930 2 Baltimore MD BLTMMDCH42Z  238   2016-02-19   
667-930 6 Baltimore MD BLTMMDCH42Z  238   2016-02-19   
667-942 5 Aberdeen MD BLTMMDCH42Z  236   2023-08-10   
667-942 6 Aberdeen MD BLTMMDCH42Z  236   2023-08-10   
667-942 7 Aberdeen MD BLTMMDCH42Z  236   2023-08-10   
667-942 8 Aberdeen MD BLTMMDCH42Z  236   2023-08-10   
667-942 9 Aberdeen MD BLTMMDCH42Z  236   2023-08-10   
667-962 A North Beach MD BLTMMDCH42Z  238      
667-962 0 North Beach MD BLTMMDCH42Z  238   2023-08-10   
667-962 1 North Beach MD BLTMMDCH42Z  238   2023-08-10   
667-962 2 North Beach MD BLTMMDCH42Z  238   2021-05-23   
667-962 3 North Beach MD BLTMMDCH42Z  238   2021-05-23   
667-962 6 North Beach MD BLTMMDCH42Z  238   2021-05-22   
667-962 8 North Beach MD BLTMMDCH42Z  238   2021-05-23   
667-962 9 North Beach MD BLTMMDCH42Z  238   2021-05-23   
667-966 A New Windsor MD BLTMMDCH42Z  238      
667-966 0 New Windsor MD BLTMMDCH42Z  238   2021-05-23   
667-966 1 New Windsor MD BLTMMDCH42Z  238   2021-05-23   
667-966 6 New Windsor MD BLTMMDCH42Z  238   2021-05-22   
667-966 7 New Windsor MD BLTMMDCH42Z  238   2021-05-23   
667-966 8 New Windsor MD BLTMMDCH42Z  238   2021-05-23   
667-977 0 Salisbury MD SLBRMDSBXVX  242   2023-08-10   
667-977 1 Salisbury MD SLBRMDSBXVX  242   2023-08-10   
667-977 2 Salisbury MD SLBRMDSBXVX  242   2023-08-10   

<< 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 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.