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: 203

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
978-203 A Wilmington MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
978-203 0 Wilmington MA   318J COMCAST IP PHONE LLC 128   2005-04-21   
978-203 1 Wilmington MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
978-203 2 Wilmington MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128      
978-203 4 Wilmington MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-09-19   
978-203 5 Wilmington MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-09-19   
978-203 6 Wilmington MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-10-31   
978-203 9 Wilmington MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-10-31   

Last updated: Tue, 04 May 2021 15:04:27 UTC

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