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: 579

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-579 A Sudbury MA SDBRMABPDS0  9102 VERIZON NEW ENGLAND INC. 128      
978-579 0 Sudbury MA SDBRMABPDS0  9102 VERIZON NEW ENGLAND INC. 128      
978-579 1 Sudbury MA   892D ONVOY, LLC - MA 128   2010-03-15   
978-579 2 Sudbury MA SDBRMABPDS0  9102 VERIZON NEW ENGLAND INC. 128      
978-579 3 Sudbury MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2012-03-22   
978-579 4 Sudbury MA   318J COMCAST IP PHONE LLC 128   2014-09-15   
978-579 6 Sudbury MA SDBRMABPDS0  9102 VERIZON NEW ENGLAND INC. 128      
978-579 8 Sudbury MA SDBRMABPDS0  9102 VERIZON NEW ENGLAND INC. 128      
978-579 9 Sudbury MA SDBRMABPDS0  9102 VERIZON NEW ENGLAND INC. 128      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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