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: 585

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-585 A Baltimore MD PIVLMDPKDS1  9212 VERIZON MARYLAND, INC. 238      
410-585 0 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-585 1 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-585 2 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-585 3 Baltimore MD   9212 VERIZON MARYLAND, INC. 238      
410-585 4 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-03-10   
410-585 5 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2003-03-10   
410-585 6 Baltimore MD   829J PAETEC ITEL, LLC 238   2005-02-21   
410-585 7 Baltimore MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2004-01-02   
410-585 8 Baltimore MD   829J PAETEC ITEL, LLC 238   2005-02-21   
410-585 9 Baltimore MD   829J PAETEC ITEL, LLC 238   2005-02-21   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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