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: 786

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-786 A Mansfield MA SOVLMAABAMD  965H FRACTEL, LLC 128      
774-786 0 Mansfield MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2021-11-04   
774-786 1 Mansfield MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-03-26   
774-786 2 Mansfield MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-02-05   
774-786 3 Mansfield MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2023-06-04   
774-786 4 Mansfield MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-08-09   
774-786 5 Mansfield MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-08-09   
774-786 6 Mansfield MA SOVLMAABCMD  516J TON80 COMMUNICATIONS, LLC 128   2022-03-04   
774-786 7 Mansfield MA SOVLMAABAMD  965H FRACTEL, LLC 128   2021-07-19   
774-786 8 Mansfield MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2022-12-21   
774-786 9 Mansfield MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2022-01-28   

Last updated: Tue, 15 Jul 2025 18:46:49 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.