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: 781 [Rate centres in NPA 781] [Dial plan for NPA 781]

NXX: 313

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-313 A Burlington MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-313 1 Burlington MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-313 2 Burlington MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-313 3 Burlington MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-313 4 Burlington MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-313 5 Burlington MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-313 6 Burlington MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-313 7 Burlington MA BSTNMABLDS3  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
781-313 8 Burlington MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128      

Last updated: Tue, 15 Nov 2022 00:10:00 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.