Local Calling Guide

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NPA: 978 [Rate centres in NPA 978] [Dial plan for NPA 978]

NXX: 890

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-890 A Essex MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-890 1 Essex MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-890 2 Essex MA   892D ONVOY, LLC - MA 128   2010-03-15   
978-890 3 Essex MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2014-04-15   
978-890 4 Essex MA   892D ONVOY, LLC - MA 128   2016-03-28   
978-890 5 Essex MA   318J COMCAST IP PHONE, LLC 128   2015-08-20   
978-890 6 Essex MA   892D ONVOY, LLC - MA 128   2016-03-28   
978-890 7 Essex MA   318J COMCAST IP PHONE, LLC 128   2006-10-31   
978-890 8 Essex MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-04   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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