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: 501

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-501 A Somerville MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-501 0 Somerville MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-501 1 Somerville MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-501 2 Somerville MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-501 3 Somerville MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-501 4 Somerville MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-501 5 Somerville MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-501 6 Somerville MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-501 7 Somerville MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-501 8 Somerville MA NRTNMAAACM4  5562 METROPCS, INC. 128      
617-501 9 Somerville MA NRTNMAAACM4  5562 METROPCS, INC. 128      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.