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: 520

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-520 A Hyde Park MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
857-520 0 Hyde Park MA BSTPMALLOMD  073H TELNYX LLC 128   2017-04-26   
857-520 1 Hyde Park MA   515J IP HORIZON LLC 128   2017-07-06   
857-520 2 Hyde Park MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-04   
857-520 3 Hyde Park MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2016-03-04   
857-520 4 Hyde Park MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2020-06-21   
857-520 5 Hyde Park MA SOVLMAAB5MD  732H BARR TELL USA, INC. - MA 128   2016-01-02   
857-520 6 Hyde Park MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2018-11-25   
857-520 7 Hyde Park MA BSTPMALLZMD  506J TWILIO INTERNATIONAL, INC. 128   2020-12-19   
857-520 8 Hyde Park MA   515J IP HORIZON LLC 128   2016-06-26   
857-520 9 Hyde Park MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-24   

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

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