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
781-448 2 Rockland MA 321J HD CARRIER LLC 128   2016-09-03   
781-448 3 Rockland MA 321J HD CARRIER LLC 128   2016-09-03   
781-448 4 Rockland MA 321J HD CARRIER LLC 128   2016-09-03   
781-448 5 Rockland MA 321J HD CARRIER LLC 128   2016-09-03   
781-448 6 Rockland MA 321J HD CARRIER LLC 128   2016-09-03   
781-448 7 Rockland MA 321J HD CARRIER LLC 128   2016-09-03   
781-448 9 Rockland MA 321J HD CARRIER LLC 128   2016-09-03   
781-609 0 Waltham MA 321J HD CARRIER LLC 128   2026-07-18   
781-609 1 Waltham MA 321J HD CARRIER LLC 128   2026-07-18   
781-610 0 Rockland MA 321J HD CARRIER LLC 128   2016-09-03   
781-616 4 Rockland MA 321J HD CARRIER LLC 128   2016-05-12   
781-616 5 Rockland MA 321J HD CARRIER LLC 128   2016-05-12   
781-616 7 Rockland MA 321J HD CARRIER LLC 128   2016-05-12   
781-616 8 Rockland MA 321J HD CARRIER LLC 128   2016-05-12   
781-616 9 Rockland MA 321J HD CARRIER LLC 128   2016-05-12   
781-620 9 Melrose MA 321J HD CARRIER LLC 128   2016-09-03   
781-656 7 Revere MA 321J HD CARRIER LLC 128   2015-06-19   
781-661 7 Malden MA 321J HD CARRIER LLC 128   2015-06-19   
781-717 3 Winchester MA 321J HD CARRIER LLC 128   2016-09-03   
781-717 4 Winchester MA 321J HD CARRIER LLC 128   2016-04-16   
781-717 5 Winchester MA 321J HD CARRIER LLC 128   2016-04-16   
781-717 6 Winchester MA 321J HD CARRIER LLC 128   2016-04-16   
781-717 7 Winchester MA 321J HD CARRIER LLC 128   2016-04-16   
781-720 2 Melrose MA 321J HD CARRIER LLC 128   2016-02-19   
781-720 5 Melrose MA 321J HD CARRIER LLC 128   2016-09-03   
781-720 6 Melrose MA 321J HD CARRIER LLC 128   2016-09-03   
781-720 7 Melrose MA 321J HD CARRIER LLC 128   2015-06-19   
781-732 2 Lynn MA 321J HD CARRIER LLC 128   2016-05-12   
781-732 3 Lynn MA 321J HD CARRIER LLC 128   2016-05-12   
781-763 1 Rockland MA 321J HD CARRIER LLC 128   2016-05-12   
781-763 3 Rockland MA 321J HD CARRIER LLC 128   2016-05-12   
781-763 5 Rockland MA 321J HD CARRIER LLC 128   2016-05-12   
781-763 6 Rockland MA 321J HD CARRIER LLC 128   2016-05-12   
781-763 8 Rockland MA 321J HD CARRIER LLC 128   2016-05-12   
781-790 2 Waltham MA 321J HD CARRIER LLC 128   2025-11-28   
781-795 3 Waltham MA 321J HD CARRIER LLC 128   2025-11-28   
781-822 3 Waltham MA 321J HD CARRIER LLC 128   2025-11-28   
781-832 8 Stoneham MA 321J HD CARRIER LLC 128   2016-04-16   
781-838 3 Winchester MA 321J HD CARRIER LLC 128   2016-09-03   
781-838 4 Winchester MA 321J HD CARRIER LLC 128   2016-09-03   
781-838 5 Winchester MA 321J HD CARRIER LLC 128   2016-09-03   
781-838 7 Winchester MA 321J HD CARRIER LLC 128   2016-09-03   
781-838 9 Winchester MA 321J HD CARRIER LLC 128   2016-09-03   
781-850 9 Stoneham MA 321J HD CARRIER LLC 128   2016-09-03   
781-922 7 Revere MA 321J HD CARRIER LLC 128   2016-02-19   
781-954 1 Stoneham MA 321J HD CARRIER LLC 128   2016-04-16   
781-954 6 Stoneham MA 321J HD CARRIER LLC 128   2016-04-16   
781-954 7 Stoneham MA 321J HD CARRIER LLC 128   2016-04-16   
781-954 9 Stoneham MA 321J HD CARRIER LLC 128   2016-09-03   
781-977 1 Winchester MA 321J HD CARRIER LLC 128   2016-09-03   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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