Local Calling Guide

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NPA: 781 [Rate centres in NPA 781] [Dial plan for NPA 781]

NXX: 538

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
781-538 A Lexington MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-538 0 Lexington MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      
781-538 1 Lexington MA   515J IP HORIZON LLC 128   2021-11-28   
781-538 2 Lexington MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128   2013-09-10   
781-538 4 Lexington MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2009-08-23   
781-538 5 Lexington MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2005-01-20   
781-538 6 Lexington MA NWTNMAWAVMD  318J COMCAST IP PHONE, LLC 128   2006-11-02   
781-538 7 Lexington MA CMBRMA01DS5  7135 TC SYSTEMS, INC. 128   2013-09-10   
781-538 8 Lexington MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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