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: 568

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-568 A Arbutus MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-568 0 Arbutus MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-568 1 Arbutus MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-568 2 Arbutus MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-568 3 Arbutus MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2012-10-07   
443-568 4 Arbutus MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-568 5 Arbutus MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      
443-568 6 Arbutus MD BLTQMD013MD  939H COMMIO, LLC 238   2021-06-12   
443-568 7 Arbutus MD BLTMMDCHXVX  321J HD CARRIER LLC 238   2020-05-01   
443-568 8 Arbutus MD BLTMMDCH45Z  071F BANDWIDTH.COM CLEC, LLC - MD 238   2016-09-08   
443-568 9 Arbutus MD BLTMMDCHXNX  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 238      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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