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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-313 A Billerica MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-313 0 Billerica MA   7135 TC SYSTEMS, INC. 128      
978-313 1 Billerica MA   7135 TC SYSTEMS, INC. 128      
978-313 2 Billerica MA   7135 TC SYSTEMS, INC. 128      
978-313 3 Billerica MA   7135 TC SYSTEMS, INC. 128      
978-313 5 Billerica MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-09-01   
978-313 6 Billerica MA   7135 TC SYSTEMS, INC. 128   2012-03-19   
978-313 7 Billerica MA   7135 TC SYSTEMS, INC. 128   2012-12-06   
978-313 8 Billerica MA   7135 TC SYSTEMS, INC. 128   2013-10-01   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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