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: 559

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-559 A Brighton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-559 0 Brighton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-559 1 Brighton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
857-559 2 Brighton MA CMBRMAWA0MD  3370 CTC COMMUNICATIONS CORP. - MA 128   2001-09-24   
857-559 3 Brighton MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2013-10-11   
857-559 4 Brighton MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2014-06-20   
857-559 5 Brighton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-559 6 Brighton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-559 7 Brighton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-559 8 Brighton MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
857-559 9 Brighton MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-08-14   

Last updated: Wed, 07 Feb 2024 04:12:25 UTC

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