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: 281

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-281 A Marlboro MA FRMNMAUNX0X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
508-281 0 Marlboro MA OXFRMAAK1MD  792K CHARTER IP ENABLED SERVICES, LLC 128   2005-01-01   
508-281 1 Marlboro MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-01-17   
508-281 2 Marlboro MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-01-27   
508-281 3 Marlboro MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2005-07-13   
508-281 4 Marlboro MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2003-03-24   
508-281 5 Marlboro MA FRMNMAUNX0X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
508-281 6 Marlboro MA FRMNMAUNX0X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
508-281 7 Marlboro MA FRMNMAUNX0X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128      
508-281 8 Marlboro MA FRMNMAUNX0X  4052 CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC 128   2005-11-10   
508-281 9 Marlboro MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2010-09-10   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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