Local Calling Guide

Area code/prefix search

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

NXX: 816

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-816 A Severna Park MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-816 0 Severna Park MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-816 1 Severna Park MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-816 2 Severna Park MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-816 3 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2010-12-27   
443-816 4 Severna Park MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-22   
443-816 5 Severna Park MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-22   
443-816 6 Severna Park MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-22   
443-816 7 Severna Park MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-22   
443-816 8 Severna Park MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2010-12-27   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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