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.

Wingate, MD

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
410-397 A HONGMDHGRS0  9212 VERIZON MARYLAND, INC. 242      
410-397 0 SLBRMDFSDS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2004-04-03   
410-397 1 SLBRMD902MD  073H TELNYX LLC 242   2017-09-13   
410-397 2 HONGMDHGRS0  9212 VERIZON MARYLAND, INC. 242      
410-397 3 HONGMDHGRS0  9212 VERIZON MARYLAND, INC. 242      
410-397 4   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-06-17   
410-397 5 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2018-09-13   
410-397 6   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-06-17   
410-397 7 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2017-04-14   
410-397 8 WNGTMDWGRS0  9212 VERIZON MARYLAND, INC. 242      
410-397 9   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-06-17   
667-350 A   876D ONVOY, LLC - MD 242   2021-10-31   
667-350 2   876D ONVOY, LLC - MD 242   2021-10-31   
667-382 A ESTNMDBNGT0  2593 CORE COMMUNICATIONS, INC.- MD 242      
667-382 0   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-12-07   
667-382 1   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-12-07   
667-382 2 SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-06-07   
667-382 3 SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-06-07   
667-382 4   2593 CORE COMMUNICATIONS, INC.- MD 242   2018-12-07   
667-382 5 SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-06-07   
667-382 6 SLBRMD90DS0  2593 CORE COMMUNICATIONS, INC.- MD 242   2019-06-07   
667-382 7   566J RADIANTIQ LLC 242   2021-04-12   
667-382 8 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   
667-382 9 SLBRMDSBXVX  876D ONVOY, LLC - MD 242   2019-03-04   

Last updated: Fri, 10 Sep 2021 12:38:21 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.