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: 587

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-587 A Edgewood MD   829J PAETEC ITEL, LLC 238   2025-04-01   
443-587 0 Edgewood MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   
443-587 1 Edgewood MD   829J PAETEC ITEL, LLC 238      
443-587 2 Edgewood MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   
443-587 4 Edgewood MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2016-06-17   
443-587 5 Edgewood MD BLTQMD018MD  145J TERRA NOVA TELECOM INC. 238   2024-02-15   
443-587 7 Edgewood MD BLTMMDCHXFX  318J COMCAST IP PHONE, LLC 238   2016-06-21   
443-587 8 Edgewood MD   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 238   2019-03-31   
443-587 9 Edgewood MD   2593 CORE COMMUNICATIONS, INC.- MD 238   2019-04-30   

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

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