Local Calling Guide

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

NXX: 600

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-600 A Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-600 0 Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-600 1 Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-600 2 Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128      
857-600 3 Cambridge MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-600 4 Cambridge MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-600 6 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-600 8 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-600 9 Cambridge MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      

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

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