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: 518

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-518 A Medford MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-518 0 Medford MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-14   
781-518 1 Medford MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-06-28   
781-518 2 Medford MA   515J IP HORIZON LLC 128   2013-04-08   
781-518 3 Medford MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2008-04-24   
781-518 4 Medford MA FRMNMAWARMD  7421 AT&T - LOCAL 128   2003-11-28   
781-518 5 Medford MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-11-25   
781-518 6 Medford MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-04-11   
781-518 8 Medford MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-06-30   
781-518 9 Medford MA LWRNMACAX5X  8468 FREEDOM RING COMMUNICATIONS, LLC 128   2009-06-09   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.