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: 800

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
617-800 A Cambridge MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-800 0 Cambridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
617-800 1 Cambridge MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-800 2 Cambridge MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-800 3 Cambridge MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-800 4 Cambridge MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-800 5 Cambridge MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-800 6 Cambridge MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-800 7 Cambridge MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
617-800 8 Cambridge MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
617-800 9 Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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