Local Calling Guide

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NPA: 410 [Rate centres in NPA 410] [Dial plan for NPA 410]

NXX: 691

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-691 A Glen Burnie MD FPATMDFRDS0  9212 VERIZON MARYLAND, INC. 238      
410-691 0 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-691 1 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-691 2 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-691 3 Glen Burnie MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2007-07-27   
410-691 4 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-691 5 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-691 6 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-691 7 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      
410-691 8 Glen Burnie MD   829J PAETEC ITEL, LLC 238   2003-02-26   
410-691 9 Glen Burnie MD   9212 VERIZON MARYLAND, INC. 238      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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