Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: BLTMMDCHDS2

Remotes:

Switch Switch name Switch type
BLTMMDMDRS0  BALTIMORE  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      
443-984 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
667-233 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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