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: 273

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
410-273 A Aberdeen MD ABRDMDABDS0  9212 VERIZON MARYLAND, INC. 236      
410-273 0 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236      
410-273 1 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236      
410-273 2 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236      
410-273 3 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236   2016-04-03   
410-273 4 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236      
410-273 5 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236      
410-273 6 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236      
410-273 7 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236      
410-273 8 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236      
410-273 9 Aberdeen MD   9212 VERIZON MARYLAND, INC. 236      

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

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