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: 691

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-691 A Northboro MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-691 0 Northboro MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-691 1 Northboro MA CATNMAAKPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-691 2 Northboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-07-01   
508-691 3 Northboro MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128   2005-10-14   
508-691 4 Northboro MA SOVLMAABDS2  268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2023-08-17   
508-691 5 Northboro MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2019-01-27   
508-691 6 Northboro MA CMBRMAORDS0  7199 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MA 128   2008-03-15   
508-691 7 Northboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
508-691 8 Northboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2010-03-15   
508-691 9 Northboro MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2023-08-17   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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