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: 903

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-903 A Rowley MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-903 0 Rowley MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-903 2 Rowley MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2014-04-15   
978-903 3 Rowley MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-03   
978-903 4 Rowley MA   829J PAETEC ITEL, LLC 128   2006-10-30   
978-903 5 Rowley MA   829J PAETEC ITEL, LLC 128   2015-09-22   
978-903 6 Rowley MA   892D ONVOY, LLC - MA 128   2016-03-24   
978-903 7 Rowley MA   508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-04-24   
978-903 8 Rowley MA   515J IP HORIZON LLC 128   2015-10-30   
978-903 9 Rowley MA   145J TERRA NOVA TELECOM INC. 128   2022-10-06   

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

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