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: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]

NXX: 481

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-481 A Quincy MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-481 0 Quincy MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-481 1 Quincy MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-481 2 Quincy MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-481 3 Quincy MA   829J PAETEC ITEL, LLC 128   2013-09-18   
617-481 4 Quincy MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2012-09-30   
617-481 5 Quincy MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-481 6 Quincy MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2011-09-09   
617-481 7 Quincy MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2013-07-08   
617-481 8 Quincy MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2013-09-08   
617-481 9 Quincy MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.