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
508-691 A Northboro MA CMBRMAMQDS0  4536 XO MASSACHUSETTS, INC. 128      
508-691 0 Northboro MA   4536 XO MASSACHUSETTS, INC. 128      
508-691 1 Northboro MA   4536 XO MASSACHUSETTS, INC. 128      
508-691 2 Northboro MA   892D ONVOY, LLC - MA 128   2019-07-01   
508-691 3 Northboro MA   4536 XO MASSACHUSETTS, INC. 128   2005-10-14   
508-691 4 Northboro MA   4536 XO MASSACHUSETTS, INC. 128   2005-10-14   
508-691 5 Northboro MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2019-01-27   
508-691 6 Northboro MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2008-03-15   
508-691 7 Northboro MA   019F CBEYOND COMMUNICATIONS, LLC - MA 128   2010-03-15   
508-691 8 Northboro MA   019F CBEYOND COMMUNICATIONS, LLC - MA 128   2010-03-15   

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

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