Local Calling Guide

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NPA: 443 [Rate centres in NPA 443] [Dial plan for NPA 443]

NXX: 921

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-921 A Towson MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-921 0 Towson MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-921 1 Towson MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-921 2 Towson MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-921 3 Towson MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-921 4 Towson MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-921 5 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-07   
443-921 6 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-07   
443-921 7 Towson MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2006-03-07   
443-921 8 Towson MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-921 9 Towson MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      

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

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