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: 938

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-938 A Maynard MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-938 0 Maynard MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-12-11   
978-938 4 Maynard MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-938 5 Maynard MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2023-10-23   
978-938 6 Maynard MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-02-03   
978-938 7 Maynard MA   508J CENTURYLINK COMMUNICATIONS, LLC 128   2013-09-30   
978-938 8 Maynard MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2022-11-13   
978-938 9 Maynard MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2021-03-19   

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

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