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.

Switch: PRVDRIWAXJY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
401-210 A Block Island RI 977E ONVOY, LLC - RI 130      
401-238 A Carolina RI 977E ONVOY, LLC - RI 130      
401-271 A Centredale RI 977E ONVOY, LLC - RI 130      
401-313 A Coventry RI 977E ONVOY, LLC - RI 130      
401-347 A Providence RI 977E ONVOY, LLC - RI 130      
401-373 A Centredale RI 977E ONVOY, LLC - RI 130      
401-386 A North Kingstown RI 977E ONVOY, LLC - RI 130      
401-417 A Newport RI 977E ONVOY, LLC - RI 130      
401-446 A Narragansett RI 977E ONVOY, LLC - RI 130   2024-02-17   
401-448 A Pawtucket RI 977E ONVOY, LLC - RI 130   2024-02-17   
401-469 A Pascoag RI 977E ONVOY, LLC - RI 130   2024-04-26   
401-496 A Portsmouth RI 977E ONVOY, LLC - RI 130      
401-561 A Warren RI 977E ONVOY, LLC - RI 130      
401-593 A Warwick RI 977E ONVOY, LLC - RI 130      
401-618 A Centredale RI 977E ONVOY, LLC - RI 130      
401-620 A Westerly RI 977E ONVOY, LLC - RI 130      
401-638 A Bristol RI 977E ONVOY, LLC - RI 130      
401-715 A Greenwich RI 977E ONVOY, LLC - RI 130      
401-735 A Providence RI 977E ONVOY, LLC - RI 130      
401-740 A Hope Valley RI 977E ONVOY, LLC - RI 130      
401-756 A Jamestown RI 977E ONVOY, LLC - RI 130      
401-800 A Block Island RI 977E ONVOY, LLC - RI 130      
401-804 A Pascoag RI 977E ONVOY, LLC - RI 130      
401-812 A Scituate RI 977E ONVOY, LLC - RI 130      
401-858 A Tiverton RI 977E ONVOY, LLC - RI 130      
401-896 A West Glocester RI 977E ONVOY, LLC - RI 130      
401-910 A Providence RI 977E ONVOY, LLC - RI 130      
401-922 A West Warwick RI 977E ONVOY, LLC - RI 130      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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