Local Calling Guide

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

NXX: 517

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-517 A Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-517 0 Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-517 1 Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-517 2 Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-517 3 Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-517 4 Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-517 5 Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-517 6 Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-517 7 Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-517 8 Boston MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-517 9 Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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