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: 374

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
443-374 A Aberdeen MD   829J PAETEC ITEL, LLC 236   2025-04-01   
443-374 0 Aberdeen MD   829J PAETEC ITEL, LLC 236      
443-374 1 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-06-24   
443-374 2 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-06-24   
443-374 3 Aberdeen MD   829J PAETEC ITEL, LLC 236      
443-374 4 Aberdeen MD   829J PAETEC ITEL, LLC 236      
443-374 5 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2020-06-24   
443-374 6 Aberdeen MD   829J PAETEC ITEL, LLC 236      
443-374 7 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-08-08   
443-374 8 Aberdeen MD BLTMMDCH40Z  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-08-08   
443-374 9 Aberdeen MD   829J PAETEC ITEL, LLC 236      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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