Local Calling Guide

Area code/prefix search

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

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-639 A Sudbury MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128      
978-639 3 Sudbury MA   4084 PAETEC COMMUNICATIONS, INC.- MA 128   2006-10-02   
978-639 4 Sudbury MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2008-09-30   
978-639 6 Sudbury MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128      
978-639 7 Sudbury MA   7575 CENTURYLINK COMMUNICATIONS LLC 128   2014-04-24   
978-639 8 Sudbury MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2013-05-05   
978-639 9 Sudbury MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128      

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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