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: 775

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-775 A Wareham MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
774-775 0 Wareham MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-07   
774-775 1 Wareham MA   515J IP HORIZON LLC 128   2016-06-26   
774-775 2 Wareham MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-09-02   
774-775 3 Wareham MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-07   
774-775 4 Wareham MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-03-07   
774-775 6 Wareham MA BRTNMACOVMD  7135 TC SYSTEMS, INC. 128   2016-04-07   
774-775 8 Wareham MA BSTPMALLOMD  073H TELNYX LLC 128   2017-04-28   
774-775 9 Wareham MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-15   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.