Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-320 A Cambridge MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128      
857-320 0 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-02-01   
857-320 1 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-02-01   
857-320 2 Cambridge MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2016-05-16   
857-320 3 Cambridge MA   131D BROADVOX-CLEC, LLC - MA 128   2014-12-31   
857-320 4 Cambridge MA   131D BROADVOX-CLEC, LLC - MA 128   2014-12-31   
857-320 5 Cambridge MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2016-10-17   
857-320 6 Cambridge MA   966C DSCI, LLC 128   2015-03-30   
857-320 7 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2015-08-16   
857-320 8 Cambridge MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2018-10-07   
857-320 9 Cambridge MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2014-11-28   

Last updated: Sat, 27 Jul 2019 10:59:49 UTC

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