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.

Switch: BLTMMDCH42Z

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
667-339 9 Sykesville MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-340 A Churchville MD 876D ONVOY, LLC - MD 238      
667-340 2 Churchville MD 876D ONVOY, LLC - MD 238   2021-10-31   
667-340 3 Churchville MD 876D ONVOY, LLC - MD 238   2021-10-31   
667-340 5 Churchville MD 876D ONVOY, LLC - MD 238   2021-12-19   
667-345 5 Catonsville MD 876D ONVOY, LLC - MD 238   2021-05-21   
667-345 8 Catonsville MD 876D ONVOY, LLC - MD 238   2021-04-29   
667-345 9 Catonsville MD 876D ONVOY, LLC - MD 238   2021-04-29   
667-353 4 Cardiff MD 876D ONVOY, LLC - MD 238   2021-03-04   
667-353 5 Cardiff MD 876D ONVOY, LLC - MD 238   2021-03-04   
667-353 7 Cardiff MD 876D ONVOY, LLC - MD 238   2021-12-19   
667-356 A Severn MD 876D ONVOY, LLC - MD 238      
667-356 4 Severn MD 876D ONVOY, LLC - MD 238   2021-07-12   
667-356 5 Severn MD 876D ONVOY, LLC - MD 238   2021-07-12   
667-356 6 Severn MD 876D ONVOY, LLC - MD 238   2021-09-25   
667-356 7 Severn MD 876D ONVOY, LLC - MD 238   2021-05-22   
667-359 3 Columbia MD 876D ONVOY, LLC - MD 238   2022-04-25   
667-359 4 Columbia MD 876D ONVOY, LLC - MD 238   2022-12-18   
667-360 A Odenton MD 876D ONVOY, LLC - MD 238      
667-360 1 Odenton MD 876D ONVOY, LLC - MD 238   2021-05-23   
667-360 2 Odenton MD 876D ONVOY, LLC - MD 238   2021-05-23   
667-360 5 Odenton MD 876D ONVOY, LLC - MD 238   2021-09-23   
667-360 6 Odenton MD 876D ONVOY, LLC - MD 238   2021-05-22   
667-363 A Sherwood Forest MD 876D ONVOY, LLC - MD 238      
667-363 4 Sherwood Forest MD 876D ONVOY, LLC - MD 238   2021-07-12   
667-363 5 Sherwood Forest MD 876D ONVOY, LLC - MD 238   2021-07-12   
667-363 6 Sherwood Forest MD 876D ONVOY, LLC - MD 238   2021-05-22   
667-366 7 Hampstead MD 876D ONVOY, LLC - MD 238   2019-02-19   
667-366 9 Hampstead MD 876D ONVOY, LLC - MD 238   2019-02-19   
667-367 5 Westminster MD 876D ONVOY, LLC - MD 238   2016-01-22   
667-368 1 Elkton MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-368 2 Elkton MD 876D ONVOY, LLC - MD 238   2022-01-09   
667-368 5 Elkton MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-370 A Parkton MD 876D ONVOY, LLC - MD 238      
667-370 0 Parkton MD 876D ONVOY, LLC - MD 238   2021-05-23   
667-370 1 Parkton MD 876D ONVOY, LLC - MD 238   2021-05-23   
667-370 2 Parkton MD 876D ONVOY, LLC - MD 238   2021-05-23   
667-370 3 Parkton MD 876D ONVOY, LLC - MD 238   2021-05-23   
667-370 7 Parkton MD 876D ONVOY, LLC - MD 238   2021-05-22   
667-371 2 Ellicott City MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-371 5 Ellicott City MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-371 8 Ellicott City MD 876D ONVOY, LLC - MD 238   2022-04-25   
667-374 7 Waterloo MD 876D ONVOY, LLC - MD 238   2022-09-25   
667-375 3 Chase MD 876D ONVOY, LLC - MD 238   2022-04-25   
667-375 6 Chase MD 876D ONVOY, LLC - MD 238   2023-10-22   
667-375 7 Chase MD 876D ONVOY, LLC - MD 238   2023-10-22   
667-378 2 Essex MD 876D ONVOY, LLC - MD 238   2023-08-10   
667-380 A Annapolis MD 876D ONVOY, LLC - MD 238      
667-380 2 Annapolis MD 876D ONVOY, LLC - MD 238   2021-10-31   
667-383 7 Towson MD 876D ONVOY, LLC - MD 238   2022-10-16   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.