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: 552

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-552 A Sykesville MD SYVLMDSKDS0  9212 VERIZON MARYLAND, INC. 238      
410-552 0 Sykesville MD   9212 VERIZON MARYLAND, INC. 238      
410-552 1 Sykesville MD   9212 VERIZON MARYLAND, INC. 238      
410-552 2 Sykesville MD   9212 VERIZON MARYLAND, INC. 238      
410-552 3 Sykesville MD   9212 VERIZON MARYLAND, INC. 238      
410-552 4 Sykesville MD   9212 VERIZON MARYLAND, INC. 238      
410-552 5 Sykesville MD   9212 VERIZON MARYLAND, INC. 238      
410-552 6 Sykesville MD   9212 VERIZON MARYLAND, INC. 238      
410-552 7 Sykesville MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   
410-552 8 Sykesville MD   318J COMCAST IP PHONE, LLC 238   2012-05-20   
410-552 9 Sykesville MD   9212 VERIZON MARYLAND, INC. 238      

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

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