Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 508 [Rate centres in NPA 508] [Dial plan for NPA 508]

NXX: 618

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-618 A Mansfield MA CMBRMAMQDS0  4536 XO MASSACHUSETS, INC. 128      
508-618 0 Mansfield MA CMBRMAMQDS0  4536 XO MASSACHUSETS, INC. 128      
508-618 2 Mansfield MA CMBRMAWA0MD  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2004-11-07   
508-618 3 Mansfield MA CMBRMAORDS1  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2018-06-25   
508-618 4 Mansfield MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-01-31   
508-618 5 Mansfield MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2018-11-28   
508-618 6 Mansfield MA CMBRMAMQDS0  4536 XO MASSACHUSETS, INC. 128      
508-618 7 Mansfield MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-15   
508-618 8 Mansfield MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-04-15   
508-618 9 Mansfield MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2019-01-19   

Last updated: Fri, 13 May 2022 22:16:13 UTC

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