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: 285

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-285 A Marlboro MA   5562 METROPCS, INC. 128      
774-285 0 Marlboro MA NRTNMAAACM4  5562 METROPCS, INC. 128      
774-285 1 Marlboro MA NRTNMAAACM4  5562 METROPCS, INC. 128      
774-285 2 Marlboro MA NRTNMAAACM4  5562 METROPCS, INC. 128      
774-285 3 Marlboro MA NRTNMAAACM4  5562 METROPCS, INC. 128      
774-285 4 Marlboro MA NRTNMAAACM4  5562 METROPCS, INC. 128      
774-285 5 Marlboro MA SOVLMAABBMD  145J TERRA NOVA TELECOM INC. 128   2022-12-16   
774-285 6 Marlboro MA NRTNMAAACM4  5562 METROPCS, INC. 128      
774-285 7 Marlboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-02-18   
774-285 8 Marlboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-23   
774-285 9 Marlboro MA   5562 METROPCS, INC. 128      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.