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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-806 A Cambridge MA CMBRMAWADS2  9102 VERIZON NEW ENGLAND INC. 128      
617-806 0 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-806 1 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-806 2 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-806 3 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-806 4 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-806 6 Cambridge MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2009-08-04   
617-806 7 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-806 8 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      
617-806 9 Cambridge MA   9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.