Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: CATNMAAKPS0

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
617-819 9 Chelsea MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-826 6 Belmont MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-06-09   
617-830 0 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-05-05   
617-831 A Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-831 1 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-831 2 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-831 4 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2012-08-02   
617-845 A Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-845 0 Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-845 1 Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-845 4 Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-845 9 Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-859 6 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2013-05-03   
617-860 A Brookline MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-860 0 Brookline MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-860 5 Brookline MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-863 3 Somerville MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2009-02-15   
617-866 5 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-874 A East Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-874 9 East Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-890 A Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-890 0 Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-890 1 Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-890 4 Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-892 A Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-892 6 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-892 7 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-892 8 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-892 9 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-896 A Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-910 2 Hyde Park MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-08-07   
617-914 A Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-917 A Everett MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-917 0 Everett MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-917 1 Everett MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-917 6 Everett MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-925 2 Brighton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2019-07-31   
617-932 6 Belmont MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2011-03-02   
617-936 5 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2013-05-06   
617-939 0 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2010-10-20   
617-939 2 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-07-16   
617-941 A Somerville MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-941 0 Somerville MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-941 1 Somerville MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-941 2 Somerville MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-942 4 Jamaica Plain MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2009-01-31   
617-948 5 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-12-09   
617-949 A Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-949 2 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-949 3 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 >>

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.