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: 520

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-520 A Fall River MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
774-520 0 Fall River MA   892D ONVOY, LLC - MA 128   2015-02-13   
774-520 1 Fall River MA   892D ONVOY, LLC - MA 128   2015-02-13   
774-520 2 Fall River MA   892D ONVOY, LLC - MA 128   2015-02-13   
774-520 3 Fall River MA   892D ONVOY, LLC - MA 128   2016-01-11   
774-520 4 Fall River MA   5562 METROPCS, INC. 128   2016-07-16   
774-520 5 Fall River MA   5562 METROPCS, INC. 128   2016-03-20   
774-520 6 Fall River MA   5562 METROPCS, INC. 128   2017-03-31   
774-520 7 Fall River MA   5562 METROPCS, INC. 128   2017-01-21   
774-520 8 Fall River MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2015-05-29   
774-520 9 Fall River MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2015-05-29   

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.