Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 781 [Rate centres in NPA 781] [Dial plan for NPA 781]

NXX: 957

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-957 A Medford MA   829J PAETEC ITEL, LLC 128      
781-957 0 Medford MA   829J PAETEC ITEL, LLC 128      
781-957 1 Medford MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2011-07-22   
781-957 2 Medford MA   829J PAETEC ITEL, LLC 128      
781-957 3 Medford MA   892D ONVOY, LLC - MA 128   2014-09-22   
781-957 4 Medford MA   892D ONVOY, LLC - MA 128   2014-09-22   
781-957 5 Medford MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-06-27   
781-957 6 Medford MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2019-10-07   
781-957 7 Medford MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2019-11-11   
781-957 8 Medford MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-12-14   
781-957 9 Medford MA   515J IP HORIZON LLC 128   2016-07-01   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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