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: 725

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-725 A Parkville MD   829J PAETEC ITEL, LLC 238   2025-04-01   
443-725 0 Parkville MD   829J PAETEC ITEL, LLC 238      
443-725 1 Parkville MD   829J PAETEC ITEL, LLC 238      
443-725 2 Parkville MD   829J PAETEC ITEL, LLC 238      
443-725 3 Parkville MD   829J PAETEC ITEL, LLC 238      
443-725 4 Parkville MD   318J COMCAST IP PHONE, LLC 238   2006-12-29   
443-725 5 Parkville MD   318J COMCAST IP PHONE, LLC 238   2006-12-29   
443-725 6 Parkville MD   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2019-02-08   
443-725 7 Parkville MD   318J COMCAST IP PHONE, LLC 238   2016-12-15   
443-725 8 Parkville MD   829J PAETEC ITEL, LLC 238      
443-725 9 Parkville MD   829J PAETEC ITEL, LLC 238      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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