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
667-377 A Rock Hall MD SLBRMDSBXVX  242      
667-377 2 Rock Hall MD SLBRMDSBXVX  242   2021-12-20   
667-377 6 Rock Hall MD SLBRMDSBXVX  242   2021-05-17   
667-377 7 Rock Hall MD SLBRMDSBXVX  242   2021-05-21   
667-378 2 Essex MD BLTMMDCH42Z  238   2023-08-10   
667-380 A Annapolis MD BLTMMDCH42Z  238      
667-380 2 Annapolis MD BLTMMDCH42Z  238   2021-10-31   
667-382 8 Wingate MD SLBRMDSBXVX  242   2019-03-04   
667-382 9 Wingate MD SLBRMDSBXVX  242   2019-03-04   
667-383 7 Towson MD BLTMMDCH42Z  238   2022-10-16   
667-383 8 Towson MD BLTMMDCH42Z  238   2022-10-16   
667-385 0 Solomons MD BLTMMDCH42Z  238   2023-08-10   
667-385 1 Solomons MD BLTMMDCH42Z  238   2023-08-10   
667-385 2 Solomons MD BLTMMDCH42Z  238   2023-08-10   
667-385 3 Solomons MD BLTMMDCH42Z  238   2023-08-10   
667-385 4 Solomons MD BLTMMDCH42Z  238   2023-08-10   
667-385 5 Solomons MD   238   2024-03-07   
667-387 A Perryville MD BLTMMDCH42Z  238      
667-387 0 Perryville MD BLTMMDCH42Z  238   2021-05-23   
667-387 1 Perryville MD BLTMMDCH42Z  238   2021-05-23   
667-387 6 Perryville MD BLTMMDCH42Z  238   2021-05-23   
667-387 7 Perryville MD BLTMMDCH42Z  238   2021-05-22   
667-387 8 Perryville MD BLTMMDCH42Z  238   2021-05-23   
667-389 2 Cambridge MD SLBRMDSBXVX  242   2023-08-10   
667-389 4 Cambridge MD SLBRMDSBXVX  242   2023-08-10   
667-389 5 Cambridge MD SLBRMDSBXVX  242   2023-08-10   
667-389 6 Cambridge MD SLBRMDSBXVX  242   2023-08-10   
667-389 9 Cambridge MD SLBRMDSBXVX  242   2023-08-10   
667-390 6 Randallstown MD BLTMMDCH42Z  238   2022-04-25   
667-390 7 Randallstown MD BLTMMDCH42Z  238   2022-04-25   
667-392 2 Aberdeen MD BLTMMDCH42Z  236   2022-04-25   
667-393 3 Millersville MD BLTMMDCH42Z  238   2022-10-16   
667-396 A Port Deposit MD BLTMMDCH42Z  238      
667-396 5 Port Deposit MD BLTMMDCH42Z  238   2021-05-23   
667-396 6 Port Deposit MD BLTMMDCH42Z  238   2021-05-22   
667-396 7 Port Deposit MD BLTMMDCH42Z  238   2021-05-23   
667-396 8 Port Deposit MD BLTMMDCH42Z  238   2021-05-23   
667-396 9 Port Deposit MD BLTMMDCH42Z  238   2021-05-23   
667-397 A Solomons MD BLTMMDCH42Z  238      
667-397 4 Solomons MD BLTMMDCH42Z  238   2021-07-12   
667-397 5 Solomons MD BLTMMDCH42Z  238   2021-07-12   
667-397 6 Solomons MD BLTMMDCH42Z  238   2021-05-22   
667-399 0 Union Bridge MD BLTMMDCH42Z  238   2020-06-11   
667-399 1 Union Bridge MD BLTMMDCH42Z  238   2020-06-11   
667-400 0 Baltimore MD BLTMMDCH42Z  238   2017-10-15   
667-400 3 Baltimore MD BLTMMDCH42Z  238   2017-09-17   
667-400 4 Baltimore MD BLTMMDCH42Z  238   2017-09-17   
667-400 5 Baltimore MD BLTMMDCH42Z  238   2017-09-17   
667-400 6 Baltimore MD BLTMMDCH42Z  238   2017-09-17   
667-400 7 Baltimore MD BLTMMDCH42Z  238   2017-09-17   

<< 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: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.