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: 449

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-449 A Marlboro MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-449 0 Marlboro MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2011-06-27   
508-449 2 Marlboro MA   7135 TC SYSTEMS, INC. 128   2004-07-09   
508-449 3 Marlboro MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-449 4 Marlboro MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-449 5 Marlboro MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
508-449 6 Marlboro MA   829J PAETEC ITEL, LLC 128   2007-07-05   
508-449 7 Marlboro MA   829J PAETEC ITEL, LLC 128   2007-08-10   
508-449 8 Marlboro MA   829J PAETEC ITEL, LLC 128   2007-08-10   
508-449 9 Marlboro MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2013-09-16   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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