Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 482

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-482 A Annapolis MD ANNPMDANDS0  9212 VERIZON MARYLAND, INC. 238      
443-482 0 Annapolis MD   9212 VERIZON MARYLAND, INC. 238      
443-482 1 Annapolis MD   9212 VERIZON MARYLAND, INC. 238      
443-482 2 Annapolis MD   9212 VERIZON MARYLAND, INC. 238      
443-482 3 Annapolis MD   9212 VERIZON MARYLAND, INC. 238      
443-482 4 Annapolis MD   145J TERRA NOVA TELECOM INC. 238   2022-11-07   
443-482 5 Annapolis MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2006-11-03   
443-482 6 Annapolis MD   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238   2006-11-03   
443-482 7 Annapolis MD   9212 VERIZON MARYLAND, INC. 238      
443-482 8 Annapolis MD   9212 VERIZON MARYLAND, INC. 238      
443-482 9 Annapolis MD   9212 VERIZON MARYLAND, INC. 238      

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

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