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
617-229 A Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-229 0 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-229 1 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-229 2 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-229 3 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-229 4 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-237 1 Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-05-05   
617-237 2 Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-05-05   
617-237 4 Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-04-20   
617-238 A Roxbury MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-238 0 Roxbury MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-238 1 Roxbury MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-238 2 Roxbury MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-238 9 Roxbury MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-259 2 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-03-19   
617-259 3 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-03-19   
617-275 0 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2003-06-04   
617-299 3 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-09-17   
617-299 4 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-09-17   
617-300 8 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-12-14   
617-301 5 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-11-27   
617-301 6 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-11-27   
617-301 9 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-07-22   
617-307 9 South Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-07-17   
617-326 A Dorchester MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-326 0 Dorchester MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-326 1 Dorchester MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-326 4 Dorchester MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-326 9 Dorchester MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-07-22   
617-334 7 South Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-04-20   
617-336 3 Chelsea MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-12-03   
617-336 7 Chelsea MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-12-03   
617-340 4 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-10-13   
617-344 A Jamaica Plain MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-344 0 Jamaica Plain MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-344 1 Jamaica Plain MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-344 2 Jamaica Plain MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-344 5 Jamaica Plain MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-344 6 Jamaica Plain MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-344 7 Jamaica Plain MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-344 8 Jamaica Plain MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-370 A Chelsea MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-370 0 Chelsea MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-370 6 Chelsea MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-390 A Jamaica Plain MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-390 0 Jamaica Plain MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-390 1 Jamaica Plain MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-390 2 Jamaica Plain MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-390 9 Jamaica Plain MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-391 3 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-08-17   

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

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