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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-503 A Plymouth MA BSTNMACODS6  8345 GLOBAL CROSSING LOCAL SERVICES, INC.-MA 128      
508-503 0 Plymouth MA   3370 CTC COMMUNICATIONS CORP. - MA 128   2004-05-09   
508-503 1 Plymouth MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-10-23   
508-503 2 Plymouth MA   3370 CTC COMMUNICATIONS CORP. - MA 128   2004-03-06   
508-503 3 Plymouth MA   8345 GLOBAL CROSSING LOCAL SERVICES, INC.-MA 128      
508-503 4 Plymouth MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-503 5 Plymouth MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-503 6 Plymouth MA   892D ONVOY, LLC - MA 128   2016-03-28   
508-503 7 Plymouth MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2006-07-15   
508-503 8 Plymouth MA   8924 BROADWING COMMUNICATIONS, LLC - MA 128   2004-06-07   

Last updated: Sat, 11 Jul 2020 20:37:26 UTC

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