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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-307 A Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-307 0 Towson MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-10-14   
410-307 1 Towson MD   4492 VDL, INC. DBA GLOBAL TELECOM BROKERS - MD 238   2003-11-08   
410-307 2 Towson MD   9212 VERIZON MARYLAND, INC. 238      
410-307 3 Towson MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-12-09   
410-307 4 Towson MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-12-09   
410-307 5 Towson MD   9212 VERIZON MARYLAND, INC. 238      
410-307 6 Towson MD   9212 VERIZON MARYLAND, INC. 238      
410-307 7 Towson MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-12-09   
410-307 8 Towson MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-10-14   
410-307 9 Towson MD   6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2018-05-29   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.