Local Calling Guide

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NPA: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]

NXX: 466

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-466 A Chelsea MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
617-466 0 Chelsea MA   318J COMCAST IP PHONE, LLC 128      
617-466 1 Chelsea MA   318J COMCAST IP PHONE, LLC 128      
617-466 2 Chelsea MA   318J COMCAST IP PHONE, LLC 128      
617-466 3 Chelsea MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2009-01-15   
617-466 4 Chelsea MA   829J PAETEC ITEL, LLC 128   2007-01-08   
617-466 5 Chelsea MA   829J PAETEC ITEL, LLC 128   2007-01-08   
617-466 6 Chelsea MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-01-02   
617-466 7 Chelsea MA   892D ONVOY, LLC - MA 128   2023-08-17   
617-466 8 Chelsea MA   318J COMCAST IP PHONE, LLC 128   2019-05-10   
617-466 9 Chelsea MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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