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: 642

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-642 A Perryville MD BNBRMDBRRS0  9212 VERIZON MARYLAND, INC. 238      
410-642 0 Perryville MD BNBRMDBRRS0  9212 VERIZON MARYLAND, INC. 238      
410-642 1 Perryville MD BNBRMDBRRS0  9212 VERIZON MARYLAND, INC. 238      
410-642 2 Perryville MD BNBRMDBRRS0  9212 VERIZON MARYLAND, INC. 238      
410-642 3 Perryville MD BNBRMDBRRS0  9212 VERIZON MARYLAND, INC. 238      
410-642 4 Perryville MD BLTOMDKHBMD  6395 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD 238   2017-07-15   
410-642 5 Perryville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-04-11   
410-642 6 Perryville MD BNBRMDBRRS0  9212 VERIZON MARYLAND, INC. 238      
410-642 7 Perryville MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2016-04-11   
410-642 8 Perryville MD BNBRMDBRRS0  9212 VERIZON MARYLAND, INC. 238      
410-642 9 Perryville MD BNBRMDBRRS0  9212 VERIZON MARYLAND, INC. 238      

Last updated: Thu, 04 Aug 2022 23:14:42 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.