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: 716

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-716 A East Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-716 0 East Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-716 1 East Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-716 2 East Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-716 3 East Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-716 4 East Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-716 5 East Boston MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2005-10-14   
617-716 6 East Boston MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2005-10-14   
617-716 7 East Boston MA   515J IP HORIZON LLC 128   2017-07-02   
617-716 8 East Boston MA BSTPMALLOMD  073H TELNYX LLC 128   2017-05-14   
617-716 9 East Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-04-01   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.