Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: CMBRMABEQMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
857-414 5 Brighton MA 321J HD CARRIER LLC 128   2016-09-03   
857-414 6 Brighton MA 321J HD CARRIER LLC 128   2016-09-03   
857-414 8 Brighton MA 321J HD CARRIER LLC 128   2016-09-03   
857-414 9 Brighton MA 321J HD CARRIER LLC 128   2016-09-03   
857-431 4 Boston MA 321J HD CARRIER LLC 128   2026-05-09   
857-477 0 Jamaica Plain MA 321J HD CARRIER LLC 128   2016-04-12   
857-477 1 Jamaica Plain MA 321J HD CARRIER LLC 128   2016-04-12   
857-477 2 Jamaica Plain MA 321J HD CARRIER LLC 128   2016-04-12   
857-477 3 Jamaica Plain MA 321J HD CARRIER LLC 128   2016-04-12   
857-477 4 Jamaica Plain MA 321J HD CARRIER LLC 128   2016-04-12   
857-477 5 Jamaica Plain MA 321J HD CARRIER LLC 128   2016-04-16   
857-477 6 Jamaica Plain MA 321J HD CARRIER LLC 128   2016-04-12   
857-477 9 Jamaica Plain MA 321J HD CARRIER LLC 128   2016-04-12   
857-523 4 Somerville MA 321J HD CARRIER LLC 128   2016-09-03   
857-577 0 Charlestown MA 321J HD CARRIER LLC 128   2016-04-12   
857-577 1 Charlestown MA 321J HD CARRIER LLC 128   2016-04-12   
857-577 2 Charlestown MA 321J HD CARRIER LLC 128   2016-04-12   
857-577 3 Charlestown MA 321J HD CARRIER LLC 128   2016-04-12   
857-577 4 Charlestown MA 321J HD CARRIER LLC 128   2016-04-12   
857-577 5 Charlestown MA 321J HD CARRIER LLC 128   2016-04-12   
857-577 6 Charlestown MA 321J HD CARRIER LLC 128   2016-04-12   
857-577 9 Charlestown MA 321J HD CARRIER LLC 128   2016-04-12   
857-587 A Dorchester MA 321J HD CARRIER LLC 128      
857-587 2 Dorchester MA 321J HD CARRIER LLC 128   2016-05-12   
857-587 3 Dorchester MA 321J HD CARRIER LLC 128   2016-05-12   
857-587 4 Dorchester MA 321J HD CARRIER LLC 128   2016-05-12   
857-587 5 Dorchester MA 321J HD CARRIER LLC 128   2016-05-12   
857-587 6 Dorchester MA 321J HD CARRIER LLC 128   2016-05-12   
857-587 7 Dorchester MA 321J HD CARRIER LLC 128   2016-03-21   
857-587 8 Dorchester MA 321J HD CARRIER LLC 128   2016-05-12   
857-587 9 Dorchester MA 321J HD CARRIER LLC 128   2016-05-12   
857-755 7 Quincy MA 321J HD CARRIER LLC 128   2026-07-17   
857-799 A Cambridge MA 321J HD CARRIER LLC 128      
857-799 9 Cambridge MA 321J HD CARRIER LLC 128   2018-12-29   
857-990 7 Boston MA 321J HD CARRIER LLC 128   2016-02-19   
857-997 A Somerville MA 321J HD CARRIER LLC 128      
857-997 1 Somerville MA 321J HD CARRIER LLC 128   2016-09-03   
857-997 5 Somerville MA 321J HD CARRIER LLC 128   2016-04-11   
857-997 6 Somerville MA 321J HD CARRIER LLC 128   2016-04-11   
857-997 7 Somerville MA 321J HD CARRIER LLC 128   2016-04-11   
978-288 2 Beverly MA 321J HD CARRIER LLC 128   2016-04-11   
978-288 3 Beverly MA 321J HD CARRIER LLC 128   2016-04-11   
978-288 4 Beverly MA 321J HD CARRIER LLC 128   2016-04-11   
978-288 5 Beverly MA 321J HD CARRIER LLC 128   2016-04-11   
978-438 2 Peabody MA 321J HD CARRIER LLC 128   2016-09-03   
978-438 3 Peabody MA 321J HD CARRIER LLC 128   2016-09-03   
978-438 4 Peabody MA 321J HD CARRIER LLC 128   2016-09-03   
978-438 5 Peabody MA 321J HD CARRIER LLC 128   2016-09-03   
978-599 2 Salem MA 321J HD CARRIER LLC 128   2016-05-12   
978-599 3 Salem MA 321J HD CARRIER LLC 128   2016-05-12   
978-599 4 Salem MA 321J HD CARRIER LLC 128   2016-05-12   
978-599 6 Salem MA 321J HD CARRIER LLC 128   2016-05-12   
978-599 7 Salem MA 321J HD CARRIER LLC 128   2016-05-12   
978-599 8 Salem MA 321J HD CARRIER LLC 128   2016-05-12   
978-599 9 Salem MA 321J HD CARRIER LLC 128   2016-05-12   
978-746 9 Lowell MA 321J HD CARRIER LLC 128   2025-11-28   
978-910 2 Salem MA 321J HD CARRIER LLC 128   2016-05-12   
978-910 3 Salem MA 321J HD CARRIER LLC 128   2016-05-12   
978-910 4 Salem MA 321J HD CARRIER LLC 128   2016-05-12   
978-966 0 Danvers MA 321J HD CARRIER LLC 128   2016-04-11   
978-966 2 Danvers MA 321J HD CARRIER LLC 128   2016-04-11   
978-966 3 Danvers MA 321J HD CARRIER LLC 128   2016-04-11   
978-966 4 Danvers MA 321J HD CARRIER LLC 128   2016-04-11   
978-966 5 Danvers MA 321J HD CARRIER LLC 128   2016-09-03   
978-966 6 Danvers MA 321J HD CARRIER LLC 128   2016-09-03   
978-966 7 Danvers MA 321J HD CARRIER LLC 128   2016-09-03   
978-966 9 Danvers MA 321J HD CARRIER LLC 128   2016-09-03   
978-982 A Peabody MA 321J HD CARRIER LLC 128      
978-982 3 Peabody MA 321J HD CARRIER LLC 128   2016-04-11   
978-982 6 Peabody MA 321J HD CARRIER LLC 128   2016-04-11   
978-982 7 Peabody MA 321J HD CARRIER LLC 128   2016-04-11   
978-982 8 Peabody MA 321J HD CARRIER LLC 128   2016-04-11   
978-990 1 Leominster MA 321J HD CARRIER LLC 128   2016-04-16   
978-990 4 Leominster MA 321J HD CARRIER LLC 128   2016-04-16   
978-990 5 Leominster MA 321J HD CARRIER LLC 128   2016-04-16   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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