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: 508 [Rate centres in NPA 508] [Dial plan for NPA 508]

NXX: 319

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-319 A Natick MA   829J PAETEC ITEL, LLC 128      
508-319 0 Natick MA   829J PAETEC ITEL, LLC 128      
508-319 1 Natick MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-09-10   
508-319 2 Natick MA   829J PAETEC ITEL, LLC 128      
508-319 3 Natick MA   829J PAETEC ITEL, LLC 128      
508-319 4 Natick MA   829J PAETEC ITEL, LLC 128      
508-319 5 Natick MA   829J PAETEC ITEL, LLC 128      
508-319 6 Natick MA   829J PAETEC ITEL, LLC 128      
508-319 7 Natick MA   829J PAETEC ITEL, LLC 128      
508-319 8 Natick MA   829J PAETEC ITEL, LLC 128      
508-319 9 Natick MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-09-01   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.