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 >>

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
617-203 2 Everett MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-203 4 Everett MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-203 9 Everett MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-206 A Brighton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-206 2 Brighton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-206 6 Brighton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2014-05-01   
617-206 9 Brighton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-04-20   
617-207 4 Winthrop MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2009-08-10   
617-208 A Brighton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-208 0 Brighton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-208 1 Brighton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-208 2 Brighton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-209 7 Belmont MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-11-10   
617-213 4 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-12-12   
617-213 5 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2005-12-12   
617-213 8 Newton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-12-20   
617-224 A Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-224 0 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-224 4 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-224 5 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-224 9 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2003-08-10   
617-226 7 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-11-25   
617-226 8 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-11-25   
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      
617-249 A Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-249 0 Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-249 1 Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-249 2 Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-249 5 Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-249 8 Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2015-07-05   
617-249 9 Quincy 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   
617-279 A Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-279 0 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-279 2 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-279 4 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-279 8 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-294 6 Everett MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2009-01-31   
617-299 A Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-299 2 Cambridge MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
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   
617-315 A South Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-315 9 South Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-322 5 Milton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2009-01-31   
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   
617-329 6 Winthrop MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-06-09   
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      
617-345 2 Boston MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2016-10-25   
617-360 7 Hyde Park MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-06-09   
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   
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   
617-405 A Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-405 6 Quincy MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-415 A Brighton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
617-415 9 Brighton 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 >>

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.