Local Calling Guide

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

NXX: 788

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-788 A Boston MA CMBRMABEXFX  622J SKYE TELECOM LLC DBA SKYETEL 128      
857-788 0 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-10-06   
857-788 1 Boston MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-03-17   
857-788 2 Boston MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2022-03-17   
857-788 3 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2022-07-22   
857-788 4 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2022-07-22   
857-788 5 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2022-07-22   
857-788 6 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2022-07-22   
857-788 7 Boston MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2022-02-03   
857-788 8 Boston MA CMBRMABEXFX  622J SKYE TELECOM LLC DBA SKYETEL 128   2021-10-24   
857-788 9 Boston MA CMBSMA01GT4  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2022-07-22   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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