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: 774 [Rate centres in NPA 774] [Dial plan for NPA 774]

NXX: 497

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-497 A North Swansea MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
774-497 0 North Swansea MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-05-20   
774-497 1 North Swansea MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-05-20   
774-497 2 North Swansea MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-06-24   
774-497 3 North Swansea MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-06-24   
774-497 4 North Swansea MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2017-03-06   
774-497 5 North Swansea MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2018-12-26   
774-497 6 North Swansea MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2019-06-01   
774-497 7 North Swansea MA BSTPMALLZMD  506J TWILIO INTERNATIONAL INC 128   2020-12-19   
774-497 8 North Swansea MA BSTPMALLOMD  073H TELNYX LLC 128   2017-05-09   
774-497 9 North Swansea MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-11   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.