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: 706

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-706 A Cambridge MA CMBRMABE9MD  895G GETGO COMMUNICATIONS LLC - MA 128      
857-706 0 Cambridge MA   073H TELNYX LLC 128   2021-03-04   
857-706 1 Cambridge MA   318J COMCAST IP PHONE LLC 128   2015-08-12   
857-706 2 Cambridge MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2015-04-25   
857-706 3 Cambridge MA   895G GETGO COMMUNICATIONS LLC - MA 128   2014-09-29   
857-706 4 Cambridge MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2015-05-16   
857-706 6 Cambridge MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2015-08-07   
857-706 8 Cambridge MA   4084 PAETEC COMMUNICATIONS, INC.- MA 128   2014-10-10   

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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