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: 757

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-757 A Elkridge MD   829J PAETEC ITEL, LLC 238   2025-04-01   
443-757 0 Elkridge MD   829J PAETEC ITEL, LLC 238      
443-757 1 Elkridge MD   829J PAETEC ITEL, LLC 238      
443-757 2 Elkridge MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2011-05-01   
443-757 3 Elkridge MD   829J PAETEC ITEL, LLC 238      
443-757 4 Elkridge MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2011-05-01   
443-757 5 Elkridge MD   829J PAETEC ITEL, LLC 238      
443-757 6 Elkridge MD   145J TERRA NOVA TELECOM INC. 238   2022-08-31   
443-757 7 Elkridge MD BLTMMDCH40Z  5562 METROPCS, INC. 238   2010-12-27   
443-757 8 Elkridge MD   829J PAETEC ITEL, LLC 238      
443-757 9 Elkridge MD   829J PAETEC ITEL, LLC 238      

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

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