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: 729

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-729 A Woodlawn MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-729 0 Woodlawn MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-729 1 Woodlawn MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-729 2 Woodlawn MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-729 3 Woodlawn MD BLTMMDCHX7X  073H TELNYX LLC 238   2017-04-25   
443-729 4 Woodlawn MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-729 5 Woodlawn MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-729 6 Woodlawn MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2018-12-17   
443-729 7 Woodlawn MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-05-02   
443-729 8 Woodlawn MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      
443-729 9 Woodlawn MD BLTMMDCHW29  4716 PAETEC COMMUNICATIONS, INC. - MD 238      

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

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