Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 4536 XO MASSACHUSETS, INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
857-207 3 Boston MA BSTPMALLDS1  128   2007-08-17   
857-207 4 Boston MA BSTPMALLDS1  128   2007-08-17   
857-244 6 Boston MA BSTPMALLDS1  128   2009-05-15   
857-244 7 Boston MA BSTPMALLDS1  128   2009-05-15   
857-244 8 Boston MA BSTPMALLDS1  128   2009-05-15   
857-263 4 Boston MA BSTPMALLDS1  128   2011-09-11   
857-263 5 Boston MA BSTPMALLDS1  128   2011-09-11   
857-263 6 Boston MA BSTPMALLDS1  128   2011-09-11   
857-284 0 Boston MA BSTPMALLDS1  128   2008-05-19   
857-284 1 Boston MA BSTPMALLDS1  128   2008-05-19   
857-288 A Boston MA BSTPMALLDS1  128      
857-288 2 Boston MA BSTPMALLDS1  128   2009-10-25   
857-288 3 Boston MA BSTPMALLDS1  128   2009-10-25   
857-288 4 Boston MA BSTPMALLDS1  128   2009-10-25   
857-313 7 Boston MA BSTPMALLDS1  128   2014-02-11   
857-321 4 Boston MA BSTPMALLDS1  128   2011-06-09   
857-321 5 Boston MA BSTPMALLDS1  128   2011-06-09   
857-321 6 Boston MA BSTPMALLDS1  128   2011-06-09   
857-350 1 Boston MA BSTPMALLDS1  128   2007-09-07   
857-350 9 Boston MA BSTPMALLDS1  128   2007-12-07   
857-366 8 Boston MA BSTPMALLDS1  128   2007-06-08   
857-366 9 Boston MA BSTPMALLDS1  128   2007-06-08   
857-500 4 Cambridge MA BSTPMALLDS1  128   2011-11-29   
857-500 6 Cambridge MA BSTPMALLDS1  128   2011-11-29   
857-600 3 Cambridge MA BSTPMALLDS1  128   2011-06-07   
857-600 4 Cambridge MA BSTPMALLDS1  128   2011-06-07   
978-222 3 North Reading MA BSTPMALLDS1  128   2005-10-16   
978-231 A Gloucester MA BSTPMALLDS1  128      
978-231 0 Gloucester MA BSTPMALLDS1  128      
978-231 1 Gloucester MA BSTPMALLDS1  128      
978-231 2 Gloucester MA BSTPMALLDS1  128      
978-231 4 Gloucester MA BSTPMALLDS1  128      
978-231 5 Gloucester MA BSTPMALLDS1  128      
978-231 6 Gloucester MA BSTPMALLDS1  128      
978-231 7 Gloucester MA BSTPMALLDS1  128      
978-231 8 Gloucester MA BSTPMALLDS1  128      
978-246 A Maynard MA BSTPMALLDS1  128      
978-246 0 Maynard MA BSTPMALLDS1  128      
978-246 1 Maynard MA BSTPMALLDS1  128      
978-246 2 Maynard MA BSTPMALLDS1  128      
978-246 4 Maynard MA BSTPMALLDS1  128      
978-246 5 Maynard MA BSTPMALLDS1  128      
978-246 6 Maynard MA BSTPMALLDS1  128      
978-246 7 Maynard MA BSTPMALLDS1  128      
978-246 8 Maynard MA BSTPMALLDS1  128      
978-267 6 Wilmington MA BSTPMALLDS1  128   2009-12-19   
978-274 1 Acton MA BSTPMALLDS1  128   2009-04-18   
978-277 6 Templeton MA BSTPMALLDS1  128   2006-04-23   
978-279 1 Beverly MA BSTPMALLDS1  128   2005-07-30   
978-279 9 Beverly MA BSTPMALLDS1  128   2005-07-30   

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

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