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: 969

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-969 A Essex MD   829J PAETEC ITEL, LLC 238   2025-04-01   
443-969 0 Essex MD   829J PAETEC ITEL, LLC 238      
443-969 1 Essex MD CLMAMDORGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 238   2020-12-01   
443-969 2 Essex MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2006-12-29   
443-969 3 Essex MD   829J PAETEC ITEL, LLC 238      
443-969 4 Essex MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2006-12-29   
443-969 5 Essex MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2021-02-05   
443-969 6 Essex MD BLTQMD018MD  145J TERRA NOVA TELECOM INC. 238   2024-02-15   
443-969 7 Essex MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-10-16   
443-969 8 Essex MD BLTMMDCH42Z  876D ONVOY, LLC - MD 238   2014-10-16   
443-969 9 Essex MD   829J PAETEC ITEL, LLC 238      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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