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: 990

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-990 A Marblehead MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128      
781-990 0 Marblehead MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-12-11   
781-990 1 Marblehead MA   318J COMCAST IP PHONE LLC 128      
781-990 2 Marblehead MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-01-06   
781-990 3 Marblehead MA   318J COMCAST IP PHONE LLC 128      
781-990 4 Marblehead MA   2899 BROADVIEW NETWORKS, INC. - MA 128   2006-10-30   
781-990 5 Marblehead MA   7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2006-06-09   
781-990 6 Marblehead MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-06-26   
781-990 7 Marblehead MA   8468 FREEDOM RING COMMUNICATIONS, LLC 128   2008-11-11   
781-990 8 Marblehead MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
781-990 9 Marblehead MA   5562 METROPCS, INC. 128   2017-03-31   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.