Local Calling Guide

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

NXX: 505

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-505 A Brookline MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-505 0 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-01-25   
617-505 1 Brookline MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2008-02-16   
617-505 2 Brookline MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-11-01   
617-505 3 Brookline MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2013-08-01   
617-505 4 Brookline MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-505 5 Brookline MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-06-03   
617-505 6 Brookline MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-06-03   
617-505 7 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-09-01   
617-505 8 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-01-25   
617-505 9 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-06-12   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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