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: SLBRMDSBXVX

<< 1 2 3 4 5 6 7 8 9 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
667-342 A Preston MD 876D ONVOY, LLC - MD 242      
667-342 2 Preston MD 876D ONVOY, LLC - MD 242   2021-10-31   
667-342 3 Preston MD 876D ONVOY, LLC - MD 242   2021-12-20   
667-342 5 Preston MD 876D ONVOY, LLC - MD 242   2022-12-03   
667-342 8 Preston MD 876D ONVOY, LLC - MD 242   2022-12-24   
667-342 9 Preston MD 876D ONVOY, LLC - MD 242   2023-06-17   
667-347 A Federalsburg MD 876D ONVOY, LLC - MD 242      
667-347 0 Federalsburg MD 876D ONVOY, LLC - MD 242   2021-05-18   
667-347 1 Federalsburg MD 876D ONVOY, LLC - MD 242   2021-05-18   
667-347 2 Federalsburg MD 876D ONVOY, LLC - MD 242   2021-07-12   
667-347 6 Federalsburg MD 876D ONVOY, LLC - MD 242   2021-05-17   
667-347 7 Federalsburg MD 876D ONVOY, LLC - MD 242   2021-05-21   
667-347 8 Federalsburg MD 876D ONVOY, LLC - MD 242   2021-05-21   
667-348 A Ridgely MD 876D ONVOY, LLC - MD 242      
667-348 2 Ridgely MD 876D ONVOY, LLC - MD 242   2021-10-31   
667-348 3 Ridgely MD 876D ONVOY, LLC - MD 242   2021-12-20   
667-349 A Still Pond MD 876D ONVOY, LLC - MD 242      
667-349 2 Still Pond MD 876D ONVOY, LLC - MD 242   2021-10-31   
667-349 3 Still Pond MD 876D ONVOY, LLC - MD 242   2021-12-20   
667-350 A Wingate MD 876D ONVOY, LLC - MD 242      
667-350 2 Wingate MD 876D ONVOY, LLC - MD 242   2021-10-31   
667-350 3 Wingate MD 876D ONVOY, LLC - MD 242   2021-12-20   
667-357 A Greensboro MD 876D ONVOY, LLC - MD 242      
667-357 0 Greensboro MD 876D ONVOY, LLC - MD 242   2021-05-18   
667-357 2 Greensboro MD 876D ONVOY, LLC - MD 242   2021-09-25   
667-357 6 Greensboro MD 876D ONVOY, LLC - MD 242   2021-05-17   
667-357 7 Greensboro MD 876D ONVOY, LLC - MD 242   2021-05-21   
667-358 1 Easton MD 876D ONVOY, LLC - MD 242   2024-10-04   
667-358 4 Easton MD 876D ONVOY, LLC - MD 242   2022-09-25   
667-358 5 Easton MD 876D ONVOY, LLC - MD 242   2022-09-25   
667-361 4 Church Hill MD 876D ONVOY, LLC - MD 242   2021-09-25   
667-364 8 Stevensville MD 876D ONVOY, LLC - MD 242   2019-03-10   
667-364 9 Stevensville MD 876D ONVOY, LLC - MD 242   2019-03-10   
667-365 8 Chesapeake City MD 876D ONVOY, LLC - MD 242   2021-07-12   
667-372 4 Cambridge MD 876D ONVOY, LLC - MD 242   2019-03-04   
667-372 5 Cambridge MD 876D ONVOY, LLC - MD 242   2019-03-04   
667-376 A Oxford MD 876D ONVOY, LLC - MD 242      
667-376 0 Oxford MD 876D ONVOY, LLC - MD 242   2021-05-18   
667-376 1 Oxford MD 876D ONVOY, LLC - MD 242   2021-05-18   
667-376 2 Oxford MD 876D ONVOY, LLC - MD 242   2021-07-12   
667-376 7 Oxford MD 876D ONVOY, LLC - MD 242   2021-05-17   
667-377 A Rock Hall MD 876D ONVOY, LLC - MD 242      
667-377 2 Rock Hall MD 876D ONVOY, LLC - MD 242   2021-12-20   
667-377 6 Rock Hall MD 876D ONVOY, LLC - MD 242   2021-05-17   
667-377 7 Rock Hall MD 876D ONVOY, LLC - MD 242   2021-05-21   
667-382 8 Wingate MD 876D ONVOY, LLC - MD 242   2019-03-04   
667-382 9 Wingate MD 876D ONVOY, LLC - MD 242   2019-03-04   
667-389 0 Cambridge MD 876D ONVOY, LLC - MD 242   2024-06-07   
667-389 2 Cambridge MD 876D ONVOY, LLC - MD 242   2023-08-10   
667-389 4 Cambridge MD 876D ONVOY, LLC - MD 242   2023-08-10   

<< 1 2 3 4 5 6 7 8 9 >>

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.