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: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]

NXX: 592

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-592 A Boston MA   5562 METROPCS, INC. 128      
617-592 0 Boston MA   5562 METROPCS, INC. 128      
617-592 1 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-592 2 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-592 3 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-592 4 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-592 5 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-592 6 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-592 7 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-592 8 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-592 9 Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.