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: 401

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-401 A Wayland MA CMBRMAMQDS0  4536 XO MASSACHUSETS, INC. 128      
508-401 0 Wayland MA FRMNMAUNX0X  3370 CTC COMMUNICATIONS CORP. - MA 128   2002-10-13   
508-401 1 Wayland MA WYLDMABPRS6  9102 VERIZON NEW ENGLAND INC. 128   2004-09-20   
508-401 2 Wayland MA CMBRMAMQDS0  4536 XO MASSACHUSETS, INC. 128   2002-07-26   
508-401 3 Wayland MA WRCSMA02DS1  7135 TC SYSTEMS, INC. 128   2012-11-26   
508-401 4 Wayland MA CMBRMABENMD  624H ONVOY SPECTRUM, LLC 128   2021-04-15   
508-401 5 Wayland MA BSTPMALLZMD  506J TWILIO INTERNATIONAL INC 128   2020-12-19   
508-401 6 Wayland MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2005-07-30   
508-401 7 Wayland MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-09-05   
508-401 8 Wayland MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2005-07-30   
508-401 9 Wayland MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2005-07-30   

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

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