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
617-399 A Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-402 7 Watertown MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-04-20   
617-415 A Brighton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-415 9 Brighton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-419 1 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2010-01-09   
617-419 2 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2010-01-09   
617-419 3 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2010-01-09   
617-420 A Everett MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-420 9 Everett MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-433 1 Milton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-09-30   
617-446 A Dorchester MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-446 0 Dorchester MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-446 1 Dorchester MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-446 2 Dorchester MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-446 6 Dorchester MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-449 A Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-449 0 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-449 1 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-449 2 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-449 3 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-449 4 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-449 5 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-449 6 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-449 9 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-453 1 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2002-11-03   
617-453 5 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2003-06-18   
617-453 6 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-02-21   
617-475 A Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-475 1 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-475 2 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-475 4 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-475 6 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-475 7 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-475 8 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-475 9 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-477 A Jamaica Plain MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-477 0 Jamaica Plain MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-477 5 Jamaica Plain MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-477 6 Jamaica Plain MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-500 9 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-09-26   
617-507 A Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-507 0 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-507 1 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-507 2 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-507 4 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-507 5 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-507 6 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-507 7 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-507 8 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-516 A Roxbury MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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