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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
413-287 A Russell MA 892D ONVOY, LLC - MA 126      
413-314 A Springfield MA 892D ONVOY, LLC - MA 126      
413-319 A Holyoke MA 892D ONVOY, LLC - MA 126      
413-333 A Springfield MA 892D ONVOY, LLC - MA 126      
413-360 A Sandisfield MA 892D ONVOY, LLC - MA 126      
413-371 A Belchertown MA 892D ONVOY, LLC - MA 126      
413-414 A Hinsdale MA 892D ONVOY, LLC - MA 126      
413-415 A Amherst (Franklin County) MA 892D ONVOY, LLC - MA 126      
413-416 A Amherst MA 892D ONVOY, LLC - MA 126      
413-434 A Gilbertville MA 892D ONVOY, LLC - MA 126      
413-444 A Bernardston MA 892D ONVOY, LLC - MA 126      
413-456 A Southwick MA 892D ONVOY, LLC - MA 126      
413-481 A Brimfield MA 892D ONVOY, LLC - MA 126      
413-483 A Adams MA 892D ONVOY, LLC - MA 126      
413-484 A Palmer MA 892D ONVOY, LLC - MA 126      
413-488 A Belchertown MA 892D ONVOY, LLC - MA 126      
413-491 A Chesterfield MA 892D ONVOY, LLC - MA 126      
413-500 A Monroe Bridge MA 892D ONVOY, LLC - MA 126      
413-514 A Hampden MA 892D ONVOY, LLC - MA 126      
413-600 A Stockbridge MA 892D ONVOY, LLC - MA 126      
413-604 A Easthampton MA 892D ONVOY, LLC - MA 126      
413-613 A Dalton MA 892D ONVOY, LLC - MA 126      
413-633 A Shelburne Falls MA 892D ONVOY, LLC - MA 126      
413-656 A Montague MA 892D ONVOY, LLC - MA 126      
413-666 A Granville MA 892D ONVOY, LLC - MA 126      
413-701 A Becket MA 892D ONVOY, LLC - MA 126      
413-707 A Springfield MA 892D ONVOY, LLC - MA 126      
413-713 A Turners Falls MA 892D ONVOY, LLC - MA 126      
413-724 A Williamsburg MA 892D ONVOY, LLC - MA 126      
413-741 A Williamstown MA 892D ONVOY, LLC - MA 126      
413-800 A Amherst MA 892D ONVOY, LLC - MA 126      
413-823 A Worthington MA 892D ONVOY, LLC - MA 126      
413-836 A Great Barrington MA 892D ONVOY, LLC - MA 126      
413-845 A Northfield MA 892D ONVOY, LLC - MA 126      
413-910 A Springfield MA 892D ONVOY, LLC - MA 126      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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