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: 318

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-318 A Natick MA CMBRMAMQDS0  4536 XO MASSACHUSETS, INC. 128      
508-318 0 Natick MA CMBRMAMQDS0  4536 XO MASSACHUSETS, INC. 128      
508-318 2 Natick MA CMBRMAMQDS0  4536 XO MASSACHUSETS, INC. 128      
508-318 3 Natick MA NRTNMAAACM4  6664 SPRINT SPECTRUM, L.P. 128   2004-12-15   
508-318 4 Natick MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-01-12   
508-318 5 Natick MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-01-17   
508-318 6 Natick MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-02-10   
508-318 7 Natick MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   
508-318 8 Natick MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2008-12-06   
508-318 9 Natick MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2021-07-10   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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