Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

NXX: 861

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-861 A Westminster MD RSTWMDRSDS0  9212 VERIZON MARYLAND, INC. 238      
410-861 0 Westminster MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2008-12-11   
410-861 1 Westminster MD   829J PAETEC ITEL, LLC 238   2007-01-22   
410-861 2 Westminster MD BLTOMDKHDS0  7228 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD 238   2007-07-01   
410-861 3 Westminster MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2010-07-19   
410-861 4 Westminster MD   829J PAETEC ITEL, LLC 238   2006-05-12   
410-861 5 Westminster MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2009-02-02   
410-861 6 Westminster MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2007-01-19   
410-861 7 Westminster MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-05-12   
410-861 8 Westminster MD RSTWMDRSDS0  9212 VERIZON MARYLAND, INC. 238      
410-861 9 Westminster MD RSTWMDRSDS0  9212 VERIZON MARYLAND, INC. 238      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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