Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 617 [Rate centres in NPA 617] [Dial plan for NPA 617]

NXX: 221

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-221 A Quincy MA   829J PAETEC ITEL, LLC 128      
617-221 0 Quincy MA   829J PAETEC ITEL, LLC 128      
617-221 1 Quincy MA   829J PAETEC ITEL, LLC 128      
617-221 2 Quincy MA   829J PAETEC ITEL, LLC 128      
617-221 3 Quincy MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2012-02-20   
617-221 4 Quincy MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2012-02-20   
617-221 5 Quincy MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2012-09-09   
617-221 6 Quincy MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2012-09-09   
617-221 7 Quincy MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-04-21   
617-221 8 Quincy MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-04-21   
617-221 9 Quincy MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2013-04-21   

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

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