Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: CLMAMDOBDS0

Remotes:

Switch Switch name Switch type
CLMAMDSRRS0  COLUMBIA SNOWDEN RIVER  ORM 
GLWDMDGDRS1  GLENWOOD  EXM 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
301-310 A Laurel (Baltimore LATA) MD 9212 VERIZON MARYLAND, INC. 238      
301-310 0 Laurel (Baltimore LATA) MD 9212 VERIZON MARYLAND, INC. 238      
301-596 2 Laurel (Baltimore LATA) MD 9212 VERIZON MARYLAND, INC. 238      
301-596 7 Laurel (Baltimore LATA) MD 9212 VERIZON MARYLAND, INC. 238      
301-621 3 Washington Zone 14 (Baltimore LATA) MD 9212 VERIZON MARYLAND, INC. 238      
301-621 8 Washington Zone 14 (Baltimore LATA) MD 9212 VERIZON MARYLAND, INC. 238      
410-290 A Columbia MD 9212 VERIZON MARYLAND, INC. 238      
410-290 3 Columbia MD 9212 VERIZON MARYLAND, INC. 238      
410-290 5 Columbia MD 9212 VERIZON MARYLAND, INC. 238      
410-290 6 Columbia MD 9212 VERIZON MARYLAND, INC. 238      
410-290 7 Columbia MD 9212 VERIZON MARYLAND, INC. 238      
410-290 8 Columbia MD 9212 VERIZON MARYLAND, INC. 238      
410-290 9 Columbia MD 9212 VERIZON MARYLAND, INC. 238      
410-309 A Columbia MD 9212 VERIZON MARYLAND, INC. 238      
410-312 5 Columbia MD 9212 VERIZON MARYLAND, INC. 238      
410-312 6 Columbia MD 9212 VERIZON MARYLAND, INC. 238      
410-312 7 Columbia MD 9212 VERIZON MARYLAND, INC. 238      
410-312 8 Columbia MD 9212 VERIZON MARYLAND, INC. 238      
410-312 9 Columbia MD 9212 VERIZON MARYLAND, INC. 238      
410-381 A Columbia MD 9212 VERIZON MARYLAND, INC. 238      
410-505 A Ellicott City MD 9212 VERIZON MARYLAND, INC. 238      
410-505 2 Ellicott City MD 9212 VERIZON MARYLAND, INC. 238      
410-505 6 Ellicott City MD 9212 VERIZON MARYLAND, INC. 238      
410-720 5 Ellicott City MD 9212 VERIZON MARYLAND, INC. 238      
410-720 6 Ellicott City MD 9212 VERIZON MARYLAND, INC. 238      
410-995 6 Ellicott City MD 9212 VERIZON MARYLAND, INC. 238      
443-259 A Columbia MD 9212 VERIZON MARYLAND, INC. 238      
443-259 0 Columbia MD 9212 VERIZON MARYLAND, INC. 238      
443-259 1 Columbia MD 9212 VERIZON MARYLAND, INC. 238      
443-259 2 Columbia MD 9212 VERIZON MARYLAND, INC. 238      
443-259 3 Columbia MD 9212 VERIZON MARYLAND, INC. 238      
443-259 4 Columbia MD 9212 VERIZON MARYLAND, INC. 238      
443-259 6 Columbia MD 9212 VERIZON MARYLAND, INC. 238      
443-259 7 Columbia MD 9212 VERIZON MARYLAND, INC. 238      
443-259 8 Columbia MD 9212 VERIZON MARYLAND, INC. 238      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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