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: 477

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-477 A Lynn MA LYNNMACHRP0  9102 VERIZON NEW ENGLAND INC. 128      
781-477 0 Lynn MA LYNNMACHRP0  9102 VERIZON NEW ENGLAND INC. 128      
781-477 1 Lynn MA LYNNMACHRP0  9102 VERIZON NEW ENGLAND INC. 128      
781-477 2 Lynn MA LYNNMACHRP0  9102 VERIZON NEW ENGLAND INC. 128      
781-477 3 Lynn MA LYNNMACHRP0  9102 VERIZON NEW ENGLAND INC. 128      
781-477 4 Lynn MA LYNNMACHRP0  9102 VERIZON NEW ENGLAND INC. 128      
781-477 5 Lynn MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2022-07-17   
781-477 6 Lynn MA LYNNMACHRP0  9102 VERIZON NEW ENGLAND INC. 128      
781-477 7 Lynn MA LYNNMACHRP0  9102 VERIZON NEW ENGLAND INC. 128      
781-477 8 Lynn MA LYNNMACHRP0  9102 VERIZON NEW ENGLAND INC. 128      
781-477 9 Lynn MA LYNNMACHRP0  9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.