Local Calling Guide

Area code/prefix search

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NPA: 978 [Rate centres in NPA 978] [Dial plan for NPA 978]

NXX: 435

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-435 A Billerica MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
978-435 0 Billerica MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-435 1 Billerica MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2003-09-29   
978-435 2 Billerica MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-435 3 Billerica MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-435 4 Billerica MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
978-435 5 Billerica MA CMBSMA01AMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-11-28   
978-435 6 Billerica MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128   2013-02-11   
978-435 7 Billerica MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-04-28   
978-435 8 Billerica MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128      
978-435 9 Billerica MA   515J IP HORIZON LLC 128   2015-03-22   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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