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: 847

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-847 A Towson MD TWSNMDTWDS0  9212 VERIZON MARYLAND, INC. 238      
410-847 0 Towson MD   624H ONVOY SPECTRUM, LLC 238   2024-10-23   
410-847 1 Towson MD   9212 VERIZON MARYLAND, INC. 238      
410-847 2 Towson MD   876D ONVOY, LLC - MD 238   2016-02-29   
410-847 3 Towson MD   9212 VERIZON MARYLAND, INC. 238      
410-847 4 Towson MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-12-12   
410-847 5 Towson MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2016-12-12   
410-847 6 Towson MD   9212 VERIZON MARYLAND, INC. 238      
410-847 7 Towson MD   568G PEERLESS NETWORK OF MARYLAND, LLC 238   2019-03-25   
410-847 8 Towson MD   145J TERRA NOVA TELECOM INC. 238   2025-07-25   
410-847 9 Towson MD   9212 VERIZON MARYLAND, INC. 238      

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

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