Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
857-576 6 Brookline MA 318J COMCAST IP PHONE, LLC 128   2014-09-29   
857-639 5 Cambridge MA 318J COMCAST IP PHONE, LLC 128   2022-10-21   
857-639 6 Cambridge MA 318J COMCAST IP PHONE, LLC 128   2022-10-21   
857-703 8 Hyde Park MA 318J COMCAST IP PHONE, LLC 128   2015-07-29   
857-706 1 Cambridge MA 318J COMCAST IP PHONE, LLC 128   2015-08-12   
857-753 4 Boston MA 318J COMCAST IP PHONE, LLC 128   2005-10-24   
857-760 7 Watertown MA 318J COMCAST IP PHONE, LLC 128   2019-03-19   
857-772 7 Boston MA 318J COMCAST IP PHONE, LLC 128   2016-09-25   
857-776 6 Chelsea MA 318J COMCAST IP PHONE, LLC 128   2014-06-18   
857-799 4 Cambridge MA 318J COMCAST IP PHONE, LLC 128   2022-10-21   
857-829 3 Cambridge MA 318J COMCAST IP PHONE, LLC 128   2013-11-23   
857-957 0 Boston MA 318J COMCAST IP PHONE, LLC 128   2015-08-24   
857-990 3 Boston MA 318J COMCAST IP PHONE, LLC 128   2015-11-17   
857-991 A Boston MA 318J COMCAST IP PHONE, LLC 128      
857-991 1 Boston MA 318J COMCAST IP PHONE, LLC 128   2002-07-29   
857-997 8 Somerville MA 318J COMCAST IP PHONE, LLC 128   2017-11-18   
857-999 2 Cambridge MA 318J COMCAST IP PHONE, LLC 128   2013-04-29   
978-203 0 Wilmington MA 318J COMCAST IP PHONE, LLC 128   2005-04-21   
978-207 A North Reading MA 318J COMCAST IP PHONE, LLC 128      
978-207 0 North Reading MA 318J COMCAST IP PHONE, LLC 128      
978-207 1 North Reading MA 318J COMCAST IP PHONE, LLC 128      
978-208 A Lawrence MA 318J COMCAST IP PHONE, LLC 128      
978-208 0 Lawrence MA 318J COMCAST IP PHONE, LLC 128      
978-208 1 Lawrence MA 318J COMCAST IP PHONE, LLC 128   2005-04-09   
978-208 6 Lawrence MA 318J COMCAST IP PHONE, LLC 128   2015-01-09   
978-208 7 Lawrence MA 318J COMCAST IP PHONE, LLC 128   2006-06-25   
978-208 8 Lawrence MA 318J COMCAST IP PHONE, LLC 128   2006-07-09   
978-212 5 Hudson MA 318J COMCAST IP PHONE, LLC 128   2005-01-20   
978-221 5 Lowell MA 318J COMCAST IP PHONE, LLC 128   2012-11-24   
978-221 6 Lowell MA 318J COMCAST IP PHONE, LLC 128   2012-10-07   
978-224 2 Salem MA 318J COMCAST IP PHONE, LLC 128   2014-04-03   
978-226 5 Tyngsboro MA 318J COMCAST IP PHONE, LLC 128   2003-04-09   
978-227 5 Leominster MA 318J COMCAST IP PHONE, LLC 128   2005-01-20   
978-241 4 Haverhill MA 318J COMCAST IP PHONE, LLC 128   2012-04-13   
978-241 9 Haverhill MA 318J COMCAST IP PHONE, LLC 128   2006-05-07   
978-243 8 Maynard MA 318J COMCAST IP PHONE, LLC 128   2015-08-05   
978-248 5 Athol MA 318J COMCAST IP PHONE, LLC 128   2005-01-20   
978-252 5 Ashburnham MA 318J COMCAST IP PHONE, LLC 128   2005-01-20   
978-254 5 Concord MA 318J COMCAST IP PHONE, LLC 128   2005-01-20   
978-255 A Newburyport MA 318J COMCAST IP PHONE, LLC 128      
978-255 1 Newburyport MA 318J COMCAST IP PHONE, LLC 128      
978-255 2 Newburyport MA 318J COMCAST IP PHONE, LLC 128      
978-255 4 Newburyport MA 318J COMCAST IP PHONE, LLC 128   2012-06-01   
978-255 7 Newburyport MA 318J COMCAST IP PHONE, LLC 128   2013-07-31   
978-258 A Lawrence MA 318J COMCAST IP PHONE, LLC 128      
978-261 5 Sudbury MA 318J COMCAST IP PHONE, LLC 128   2005-01-20   
978-267 4 Wilmington MA 318J COMCAST IP PHONE, LLC 128   2014-12-11   
978-274 2 Acton MA 318J COMCAST IP PHONE, LLC 128   2005-01-20   
978-278 5 Peabody MA 318J COMCAST IP PHONE, LLC 128   2005-01-20   
978-294 2 Billerica MA 318J COMCAST IP PHONE, LLC 128   2016-01-18   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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