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
667-285 8 Hurlock MD SLBRMDSBXVX  242   2019-03-04   
667-285 9 Hurlock MD SLBRMDSBXVX  242   2019-03-04   
667-288 4 Berlin MD SLBRMDSBXVX  242   2022-10-16   
667-288 6 Berlin MD SLBRMDSBXVX  242   2021-03-05   
667-288 7 Berlin MD SLBRMDSBXVX  242   2021-03-05   
667-290 6 Baltimore MD BLTMMDCH42Z  238   2020-12-26   
667-290 7 Baltimore MD BLTMMDCH42Z  238   2020-12-26   
667-290 8 Baltimore MD BLTMMDCH42Z  238   2021-02-18   
667-290 9 Baltimore MD BLTMMDCH42Z  238   2021-02-18   
667-291 A Millington MD SLBRMDSBXVX  242      
667-291 0 Millington MD SLBRMDSBXVX  242   2017-05-11   
667-291 7 Millington MD SLBRMDSBXVX  242   2021-04-29   
667-291 8 Millington MD SLBRMDSBXVX  242   2019-03-04   
667-291 9 Millington MD SLBRMDSBXVX  242   2019-03-04   
667-293 A Sharptown MD SLBRMDSBXVX  242      
667-293 3 Sharptown MD SLBRMDSBXVX  242   2020-11-21   
667-293 9 Sharptown MD SLBRMDSBXVX  242   2020-11-21   
667-295 3 Crofton MD BLTMMDCH42Z  238   2023-08-10   
667-295 7 Crofton MD BLTMMDCH42Z  238   2019-02-19   
667-295 8 Crofton MD BLTMMDCH42Z  238   2019-02-19   
667-296 0 Reisterstown MD BLTMMDCH42Z  238   2021-03-04   
667-296 1 Reisterstown MD BLTMMDCH42Z  238   2021-03-04   
667-296 9 Reisterstown MD BLTMMDCH42Z  238   2022-10-16   
667-297 3 Edgewood MD BLTMMDCH42Z  238   2021-05-21   
667-297 5 Edgewood MD BLTMMDCH42Z  238   2021-04-29   
667-297 6 Edgewood MD BLTMMDCH42Z  238   2021-01-31   
667-297 7 Edgewood MD BLTMMDCH42Z  238   2021-01-31   
667-297 8 Edgewood MD BLTMMDCH42Z  238   2021-04-29   
667-301 2 Prince Frederick MD BLTMMDCH42Z  238   2021-03-27   
667-301 3 Prince Frederick MD BLTMMDCH42Z  238   2021-03-27   
667-301 7 Prince Frederick MD BLTMMDCH42Z  238   2021-12-19   
667-302 2 Cecilton MD SLBRMDSBXVX  242   2021-04-03   
667-302 3 Cecilton MD SLBRMDSBXVX  242   2021-04-03   
667-304 4 Essex MD BLTMMDCH42Z  238   2021-07-11   
667-304 5 Essex MD BLTMMDCH42Z  238   2021-07-11   
667-305 2 Pikesville MD BLTMMDCH42Z  238   2015-06-11   
667-305 3 Pikesville MD BLTMMDCH42Z  238   2015-06-11   
667-307 6 Crofton MD   238   2024-03-03   
667-307 7 Crofton MD BLTMMDCH42Z  238   2016-03-23   
667-307 8 Crofton MD BLTMMDCH42Z  238   2016-03-23   
667-308 3 Towson MD BLTMMDCH42Z  238   2014-09-01   
667-309 A Baltimore MD BLTMMDCH42Z  238      
667-309 2 Baltimore MD BLTMMDCH42Z  238   2015-07-27   
667-309 4 Baltimore MD BLTMMDCH42Z  238   2015-07-27   
667-309 5 Baltimore MD BLTMMDCH42Z  238   2015-07-27   
667-309 8 Baltimore MD BLTMMDCH42Z  238   2015-07-27   
667-309 9 Baltimore MD BLTMMDCH42Z  238   2015-07-27   
667-310 2 Parkville MD BLTMMDCH42Z  238   2021-09-23   
667-314 6 Westminster MD BLTMMDCH42Z  238   2021-07-12   
667-314 8 Westminster MD   238   2024-04-14   

<< 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: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.