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: 372

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-372 A Towson MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-372 0 Towson MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-372 1 Towson MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-372 2 Towson MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-372 3 Towson MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2015-10-02   
410-372 4 Towson MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238      
410-372 5 Towson MD BLTMMDCHCMD  7325 TELEPORT COMMUNICATIONS AMERICA, LLC - MD 238   2002-11-30   
410-372 6 Towson MD   829J PAETEC ITEL, LLC 238   2004-11-27   
410-372 7 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2005-06-01   
410-372 8 Towson MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      
410-372 9 Towson MD BLTMMDYKDS0  9212 VERIZON MARYLAND, INC. 238      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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