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: 516

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-516 A Fitchburg MA   829J PAETEC ITEL, LLC 128      
978-516 0 Fitchburg MA   829J PAETEC ITEL, LLC 128      
978-516 1 Fitchburg MA   829J PAETEC ITEL, LLC 128      
978-516 2 Fitchburg MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-02-01   
978-516 3 Fitchburg MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-09-11   
978-516 4 Fitchburg MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-27   
978-516 5 Fitchburg MA   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2006-05-22   
978-516 6 Fitchburg MA   318J COMCAST IP PHONE, LLC 128   2015-01-13   
978-516 7 Fitchburg MA   829J PAETEC ITEL, LLC 128      
978-516 8 Fitchburg MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-06-05   
978-516 9 Fitchburg MA   829J PAETEC ITEL, LLC 128      

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

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