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: 670

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-670 A Reading MA RDNGMALIRP0  9102 VERIZON NEW ENGLAND INC. 128      
781-670 0 Reading MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
781-670 1 Reading MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
781-670 2 Reading MA RDNGMALIRP0  9102 VERIZON NEW ENGLAND INC. 128      
781-670 3 Reading MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-670 4 Reading MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
781-670 5 Reading MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
781-670 6 Reading MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
781-670 7 Reading MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
781-670 8 Reading MA   515J IP HORIZON LLC 128      
781-670 9 Reading MA   145J TERRA NOVA TELECOM INC. 128      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.