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: 492

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-492 A Natick MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
774-492 0 Natick MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-01-01   
774-492 1 Natick MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2025-01-01   
774-492 2 Natick MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-09-18   
774-492 3 Natick MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-09-18   
774-492 4 Natick MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-09-18   
774-492 5 Natick MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-09-18   
774-492 7 Natick MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-10-29   
774-492 9 Natick MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2023-07-24   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.