Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: BLTMMDWLDS0

Remotes:

Switch Switch name Switch type
BLTMMDKMRS0  BALTIMORE KEY MEDICAL  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
410-276 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-327 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-342 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-502 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-522 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-522 0 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-522 1 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-522 2 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-522 3 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-522 4 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-522 5 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-522 6 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-522 7 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-522 9 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-534 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-534 0 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-534 1 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-534 2 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-534 3 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-534 4 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-534 5 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-534 6 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-534 7 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-534 8 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-537 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-537 1 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-537 2 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-537 3 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-537 4 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-537 5 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-537 6 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-537 7 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-537 8 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-558 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-558 0 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-558 1 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-558 2 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-558 3 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-558 4 Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-563 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-614 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-675 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-732 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
410-955 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
443-287 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
443-455 A Baltimore MD 9212 VERIZON MARYLAND, INC. 238      
443-455 5 Baltimore MD 9212 VERIZON MARYLAND, INC. 238   2006-06-14   
443-455 6 Baltimore MD 9212 VERIZON MARYLAND, INC. 238   2006-06-19   
443-455 8 Baltimore MD 9212 VERIZON MARYLAND, INC. 238   2006-06-14   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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