Local Calling Guide

Area code/prefix search

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NPA: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]

NXX: 799

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-799 A Cambridge MA CMBRMABEQMD  321J HD CARRIER LLC 128      
857-799 0 Cambridge MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-799 1 Cambridge MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128      
857-799 2 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-799 3 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-799 4 Cambridge MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128      
857-799 5 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-799 6 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-799 7 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-799 8 Cambridge MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-799 9 Cambridge MA CMBRMABEQMD  321J HD CARRIER LLC 128      

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

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