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: BLTMMDCHXZY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
443-300 A Sykesville MD 8864 BROADWING COMMUNICATIONS. LLC - MD 238      
443-371 A Bel Air MD 8864 BROADWING COMMUNICATIONS. LLC - MD 238      
443-403 A Aberdeen MD 8864 BROADWING COMMUNICATIONS. LLC - MD 236      
443-423 A Baltimore MD 8864 BROADWING COMMUNICATIONS. LLC - MD 238      
443-483 A Cardiff MD 8864 BROADWING COMMUNICATIONS. LLC - MD 238      
443-484 A Edgewood MD 8864 BROADWING COMMUNICATIONS. LLC - MD 238      
443-485 A Elkton MD 8864 BROADWING COMMUNICATIONS. LLC - MD 238      
443-487 A Westminster MD 8864 BROADWING COMMUNICATIONS. LLC - MD 238      
443-545 A Columbia MD 8864 BROADWING COMMUNICATIONS. LLC - MD 238      
443-625 A Fork MD 8864 BROADWING COMMUNICATIONS. LLC - MD 238      
443-641 A Pikesville MD 8864 BROADWING COMMUNICATIONS. LLC - MD 238      
443-899 A Waterloo MD 8864 BROADWING COMMUNICATIONS. LLC - MD 238      
443-927 A Baltimore MD 8864 BROADWING COMMUNICATIONS. LLC - MD 238      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.