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: 621

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-621 A Wakefield MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
781-621 0 Wakefield MA   515J IP HORIZON LLC 128   2016-07-01   
781-621 1 Wakefield MA   073H TELNYX LLC 128   2017-04-28   
781-621 2 Wakefield MA   829J PAETEC ITEL, LLC 128   2016-03-25   
781-621 3 Wakefield MA   7619 RCN TELECOM SERVICES, INC. - MA 128      
781-621 5 Wakefield MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2019-05-26   
781-621 7 Wakefield MA   508J CENTURYLINK COMMUNICATIONS, LLC 128   2014-06-20   
781-621 8 Wakefield MA   7619 RCN TELECOM SERVICES, INC. - MA 128      
781-621 9 Wakefield MA   624H ONVOY SPECTRUM, LLC 128   2021-11-27   

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

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