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: PRVDRIWAX1X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
401-395 A Centredale RI 321J HD CARRIER LLC 130      
401-395 8 Centredale RI 321J HD CARRIER LLC 130   2022-02-05   
401-395 9 Centredale RI 321J HD CARRIER LLC 130   2022-02-05   

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

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