Local Calling Guide

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

NXX: 307

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-307 A South Boston MA   829J PAETEC ITEL, LLC 128      
617-307 0 South Boston MA   829J PAETEC ITEL, LLC 128   2002-10-13   
617-307 1 South Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-14   
617-307 2 South Boston MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2024-11-11   
617-307 3 South Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2014-09-15   
617-307 4 South Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-10-23   
617-307 5 South Boston MA CHTWMABF2MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 128   2005-04-10   
617-307 6 South Boston MA   829J PAETEC ITEL, LLC 128      
617-307 7 South Boston MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-10-23   
617-307 8 South Boston MA NRTNMAAACM4  5562 METROPCS, INC. 128   2005-11-14   
617-307 9 South Boston MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-07-17   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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