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: 781 [Rate centres in NPA 781] [Dial plan for NPA 781]

NXX: 576

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-576 A Marblehead MA NRTNMAAACM4  5562 METROPCS, INC. 128      
781-576 0 Marblehead MA NRTNMAAACM4  5562 METROPCS, INC. 128      
781-576 1 Marblehead MA   145J TERRA NOVA TELECOM INC. 128   2022-10-02   
781-576 3 Marblehead MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2023-07-03   
781-576 4 Marblehead MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2023-07-03   
781-576 9 Marblehead MA NRTNMAAACM4  5562 METROPCS, INC. 128      

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.