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: 570

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-570 A Wilmington MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128      
978-570 0 Wilmington MA   7135 TC SYSTEMS, INC. 128      
978-570 1 Wilmington MA   7135 TC SYSTEMS, INC. 128      
978-570 2 Wilmington MA   8468 FREEDOM RING COMMUNICATIONS, LLC 128   2005-03-17   
978-570 3 Wilmington MA   7135 TC SYSTEMS, INC. 128   2015-04-27   
978-570 4 Wilmington MA   892D ONVOY, LLC - MA 128   2021-07-10   
978-570 5 Wilmington MA   892D ONVOY, LLC - MA 128   2021-07-10   
978-570 6 Wilmington MA   7135 TC SYSTEMS, INC. 128      
978-570 7 Wilmington MA   892D ONVOY, LLC - MA 128   2021-07-10   
978-570 8 Wilmington MA   892D ONVOY, LLC - MA 128   2021-07-10   

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

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