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: 781 [Rate centres in NPA 781] [Dial plan for NPA 781]

NXX: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-420 A Malden MA NRTNMAAACM4  5562 METROPCS, INC. 128      
781-420 0 Malden MA NRTNMAAACM4  5562 METROPCS, INC. 128      
781-420 1 Malden MA NRTNMAAACM4  5562 METROPCS, INC. 128      
781-420 2 Malden MA NRTNMAAACM4  5562 METROPCS, INC. 128      
781-420 3 Malden MA NRTNMAAACM4  5562 METROPCS, INC. 128      
781-420 4 Malden MA NRTNMAAACM4  5562 METROPCS, INC. 128      
781-420 5 Malden MA NRTNMAAACM4  5562 METROPCS, INC. 128      
781-420 6 Malden MA NRTNMAAACM4  5562 METROPCS, INC. 128      
781-420 7 Malden MA NRTNMAAACM4  5562 METROPCS, INC. 128      
781-420 8 Malden MA NRTNMAAACM4  5562 METROPCS, INC. 128      
781-420 9 Malden MA NRTNMAAACM4  5562 METROPCS, INC. 128      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.