Local Calling Guide

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

NXX: 275

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-275 A Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-275 0 Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2003-06-04   
617-275 1 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2003-09-30   
617-275 2 Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-275 3 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-10-08   
617-275 4 Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-275 5 Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-275 6 Boston MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-10-06   
617-275 7 Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2011-06-03   
617-275 8 Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2002-04-28   
617-275 9 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2003-09-30   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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