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: 717

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-717 A Boston MA FRMNMAWAUMD  7421 AT&T - LOCAL 128      
617-717 0 Boston MA FRMNMAWAUMD  7421 AT&T - LOCAL 128      
617-717 1 Boston MA FRMNMAWAUMD  7421 AT&T - LOCAL 128      
617-717 2 Boston MA FRMNMAWAUMD  7421 AT&T - LOCAL 128      
617-717 3 Boston MA FRMNMAWAUMD  7421 AT&T - LOCAL 128      
617-717 4 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-717 5 Boston MA FRMNMAWAUMD  7421 AT&T - LOCAL 128      
617-717 6 Boston MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
617-717 7 Boston MA FRMNMAWAUMD  7421 AT&T - LOCAL 128      
617-717 8 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-717 9 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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