Local Calling Guide

Area code/prefix search

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

NXX: 490

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-490 A Westford MA   5562 METROPCS, INC. 128      
978-490 0 Westford MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-490 1 Westford MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   
978-490 2 Westford MA MRBOMAFZDS0  7135 TC SYSTEMS, INC. 128   2011-04-01   
978-490 3 Westford MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-01-31   
978-490 4 Westford MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-490 5 Westford MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-490 6 Westford MA   5562 METROPCS, INC. 128      
978-490 7 Westford MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-490 8 Westford MA NRTNMAAACM4  5562 METROPCS, INC. 128      
978-490 9 Westford MA NRTNMAAACM4  5562 METROPCS, INC. 128      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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