Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 978 [Rate centres in NPA 978] [Dial plan for NPA 978]

NXX: 668

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-668 A Westminster MA   829J PAETEC ITEL, LLC 128      
978-668 0 Westminster MA   829J PAETEC ITEL, LLC 128      
978-668 1 Westminster MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-05   
978-668 3 Westminster MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-09-24   
978-668 4 Westminster MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2017-03-13   
978-668 5 Westminster MA   318J COMCAST IP PHONE, LLC 128   2005-01-20   
978-668 7 Westminster MA   508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-04-25   
978-668 8 Westminster MA   318J COMCAST IP PHONE, LLC 128   2015-07-30   
978-668 9 Westminster MA   515J IP HORIZON LLC 128   2015-10-30   

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

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