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: 843

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-843 A Sterling MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-843 0 Sterling MA   145J TERRA NOVA TELECOM INC. 128   2022-08-02   
978-843 1 Sterling MA   829J PAETEC ITEL, LLC 128   2005-12-23   
978-843 3 Sterling MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-11-03   
978-843 4 Sterling MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-04-11   
978-843 5 Sterling MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-06-06   
978-843 6 Sterling MA   515J IP HORIZON LLC 128   2015-10-30   
978-843 7 Sterling MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
978-843 8 Sterling MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-04-11   
978-843 9 Sterling MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-07-23   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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