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.

NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

NXX: 938

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-938 A Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-938 1 Towson MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2018-12-07   
410-938 2 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-938 3 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-938 4 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-938 5 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-938 6 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2019-01-10   
410-938 7 Towson MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2019-01-10   
410-938 8 Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.