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: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-420 A Haverhill MA   829J PAETEC ITEL, LLC 128      
978-420 0 Haverhill MA   829J PAETEC ITEL, LLC 128   2002-10-13   
978-420 1 Haverhill MA   829J PAETEC ITEL, LLC 128      
978-420 2 Haverhill MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2003-08-03   
978-420 3 Haverhill MA   829J PAETEC ITEL, LLC 128   2003-10-25   
978-420 4 Haverhill MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2003-01-12   
978-420 5 Haverhill MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-09-20   
978-420 6 Haverhill MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-05-09   
978-420 7 Haverhill MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2003-10-11   
978-420 8 Haverhill MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2003-10-11   
978-420 9 Haverhill MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2004-05-09   

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

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