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
978-540 3 Littleton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-10-16   
978-552 3 Lawrence MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2012-05-04   
978-553 A Hudson MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-560 A Danvers MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-560 0 Danvers MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-560 1 Danvers MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-560 2 Danvers MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-560 4 Danvers MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-560 5 Danvers MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-560 6 Danvers MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-563 4 Sterling MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-08-28   
978-563 6 Sterling MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-02-01   
978-564 A Danvers MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-564 0 Danvers MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-564 2 Danvers MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-564 6 Danvers MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-07-29   
978-564 7 Danvers MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-07-29   
978-564 8 Danvers MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-565 A Salem MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-565 0 Salem MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-565 1 Salem MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-565 4 Salem MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-577 4 Westford MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2009-11-23   
978-586 3 Bolton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-08-01   
978-592 6 Berlin MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2015-01-05   
978-600 A Billerica MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-600 0 Billerica MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-600 1 Billerica MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-600 2 Billerica MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-600 4 Billerica MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-600 7 Billerica MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-602 8 Fitchburg MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-12-09   
978-602 9 Fitchburg MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-12-09   
978-606 A Lowell MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-606 0 Lowell MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-606 2 Lowell MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-610 A Concord MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-610 0 Concord MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-610 1 Concord MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-610 2 Concord MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-10-14   
978-610 3 Concord MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-10-14   
978-610 4 Concord MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-10-14   
978-610 7 Concord MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-612 5 Clinton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-08-01   
978-615 6 Ayer MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2018-05-15   
978-615 7 Ayer MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-02-01   
978-634 7 Bolton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2016-12-09   
978-636 4 Barre MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-08-01   
978-639 A Sudbury MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-639 4 Sudbury MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-09-30   

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Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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