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
978-339 4 Littleton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-02-01   
978-339 6 Littleton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-346 6 Merrimac MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-11-17   
978-347 A Hamilton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-347 1 Hamilton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2007-02-01   
978-347 7 Hamilton MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-08-28   
978-353 5 Fitchburg MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2004-09-17   
978-357 A North Reading MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-357 7 North Reading MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-09-30   
978-357 9 North Reading MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-359 A Topsfield MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-359 0 Topsfield MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-359 2 Topsfield MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-359 5 Topsfield MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-359 6 Topsfield MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-359 8 Topsfield MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-377 A Haverhill MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-377 1 Haverhill MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2008-09-15   
978-377 9 Haverhill MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-379 A Lawrence MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-379 0 Lawrence MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-379 1 Lawrence MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-379 2 Lawrence MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-379 4 Lawrence MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-379 5 Lawrence MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-379 6 Lawrence MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-379 7 Lawrence MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-379 8 Lawrence MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-379 9 Lawrence MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-381 2 Gloucester MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2009-07-27   
978-383 A Townsend MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-383 0 Townsend MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-383 2 Townsend MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-383 5 Townsend MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-383 6 Townsend MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-383 8 Townsend MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-386 6 Ashby MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2017-06-12   
978-389 A Berlin MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-389 0 Berlin MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-389 2 Berlin MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-389 5 Berlin MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-389 6 Berlin MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-389 7 Berlin MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-389 8 Berlin MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-391 8 Ayer MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2006-04-29   
978-403 3 Lunenburg MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128   2012-03-01   
978-414 A Salem MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-414 2 Salem MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-418 A Lowell MA 7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
978-418 0 Lowell 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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