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: 751

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-751 A Brookline MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-751 0 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2020-10-07   
617-751 1 Brookline MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2020-08-24   
617-751 2 Brookline MA   829J PAETEC ITEL, LLC 128   2009-10-08   
617-751 3 Brookline MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128   2013-08-24   
617-751 4 Brookline MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-751 5 Brookline MA   829J PAETEC ITEL, LLC 128   2010-11-01   
617-751 6 Brookline MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-751 7 Brookline MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-751 8 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-10-11   
617-751 9 Brookline MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-10-11   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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