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
508-299 6 Falmouth MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-10-01   
508-300 A Fall River MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-300 0 Fall River MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-300 2 Fall River MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-300 4 Fall River MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-300 5 Fall River MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-300 6 Fall River MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-300 7 Fall River MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-300 8 Fall River MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-302 A Framingham MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-302 0 Framingham MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-302 1 Framingham MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-302 5 Framingham MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-302 6 Framingham MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-302 7 Framingham MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-302 8 Framingham MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-306 5 Holliston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-05-19   
508-306 9 Holliston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-05-19   
508-310 A Natick MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-310 0 Natick MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-310 1 Natick MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-310 7 Natick MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-310 9 Natick MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-313 1 Brockton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-11-07   
508-313 2 Brockton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2009-01-15   
508-313 3 Brockton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-313 4 Brockton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-313 5 Brockton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-11-07   
508-313 7 Brockton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-316 8 North Attleboro MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-05-15   
508-318 A Natick MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-318 0 Natick MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-318 2 Natick MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-321 3 Medway MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-06-15   
508-321 9 Medway MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-08-28   
508-343 7 Seekonk MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-10-20   
508-349 4 Wellfleet MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2018-02-27   
508-350 7 East Bridgewater MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-06-09   
508-355 A Marion MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-355 0 Marion MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-355 1 Marion MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-355 2 Marion MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-355 4 Marion MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-355 5 Marion MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-355 6 Marion MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-355 8 Marion MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-372 1 Whitinsville MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-01-02   
508-372 4 Whitinsville MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-02-01   
508-374 A Nantucket MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-374 0 Nantucket MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      

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

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