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
857-265 A Boston MA AVONMACIGT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-09-05   
857-265 0 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-09-06   
857-265 1 Boston MA   6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2012-09-06   
857-265 2 Boston MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2012-09-21   
857-265 3 Boston MA   6101 COMCAST PHONE OF MASSACHUSETTS, INC. - MA 128   2012-09-21   
857-265 4 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-09-05   
857-265 5 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-09-05   
857-265 6 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-09-05   
857-265 7 Boston MA   4084 PAETEC COMMUNICATIONS, INC.- MA 128   2012-08-20   
857-265 8 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-09-05   
857-265 9 Boston MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-09-05   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

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