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: 588

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-588 A Parkville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-588 0 Parkville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-588 1 Parkville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-588 2 Parkville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-588 3 Parkville MD PIVLMDPKQMD  9170 BROADVIEW NETWORKS, INC. - MD 238   2015-09-04   
443-588 4 Parkville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-588 5 Parkville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-588 6 Parkville MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-01   
443-588 7 Parkville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-588 8 Parkville MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2015-04-13   
443-588 9 Parkville MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      

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

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