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: 875

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-875 A Sykesville MD WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      
410-875 0 Sykesville MD WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      
410-875 1 Sykesville MD WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      
410-875 2 Sykesville MD WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      
410-875 3 Sykesville MD WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      
410-875 4 Sykesville MD WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      
410-875 5 Sykesville MD WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      
410-875 6 Sykesville MD WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      
410-875 7 Sykesville MD BLTMMDCHXFX  318J COMCAST IP PHONE LLC 238   2013-10-03   
410-875 8 Sykesville MD BLTMMDCHAMD  1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 238   2004-03-27   
410-875 9 Sykesville MD WMNSMDWMDS0  9212 VERIZON MARYLAND, INC. 238      

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.