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: BLTMMDCHDS2

Remotes:

Switch Switch name Switch type
BLTMMDMDRS0    5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-209 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-244 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-328 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-333 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-359 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-361 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-396 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-528 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-545 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-605 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-637 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-685 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-706 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-736 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-962 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
443-220 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
443-627 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238   2006-11-28   
443-984 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      

Last updated: Sat, 09 Mar 2019 02:16:03 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.