Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 603 [Rate centres in NPA 603] [Dial plan for NPA 603]

NXX: 793

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
603-793 A Exeter NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-793 0 Exeter NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2011-10-04   
603-793 1 Exeter NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-793 2 Exeter NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-793 3 Exeter NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-793 4 Exeter NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2007-11-11   
603-793 5 Exeter NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2013-02-22   
603-793 6 Exeter NH MNCHNHCOCM1  5562 METROPCS, INC. 122      
603-793 7 Exeter NH DRRYNHBC1MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 122   2012-07-08   
603-793 8 Exeter NH MNCHNHCOCM1  5562 METROPCS, INC. 122   2006-07-26   
603-793 9 Exeter NH MNCHNHCOCM1  5562 METROPCS, INC. 122      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.