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: 413 [Rate centres in NPA 413] [Dial plan for NPA 413]

NXX: 640

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
413-640 A Palmer MA SPFDMAWOXCY  5562 METROPCS, INC. 126      
413-640 0 Palmer MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2022-07-01   
413-640 1 Palmer MA   5562 METROPCS, INC. 126   2021-10-07   
413-640 2 Palmer MA   892D ONVOY, LLC - MA 126   2021-07-09   
413-640 3 Palmer MA   892D ONVOY, LLC - MA 126   2021-07-09   
413-640 4 Palmer MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 126   2025-05-15   
413-640 5 Palmer MA   5562 METROPCS, INC. 126   2021-10-07   
413-640 6 Palmer MA   5562 METROPCS, INC. 126   2021-10-07   
413-640 7 Palmer MA   5562 METROPCS, INC. 126   2021-07-12   
413-640 8 Palmer MA   5562 METROPCS, INC. 126   2021-10-03   
413-640 9 Palmer MA   5562 METROPCS, INC. 126   2021-10-07   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.