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: 561

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-561 A Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-561 0 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-561 1 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-561 2 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-561 3 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-561 4 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-561 5 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-561 6 Towson MD BLTMMDSN6MD  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 238   2004-12-10   
410-561 7 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-561 8 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      
410-561 9 Towson MD CYVLMDCKDS0  9212 VERIZON MARYLAND, INC. 238      

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

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