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   
857-226 7 Newton MA 321J HD CARRIER LLC 128   2016-02-19   
857-227 2 Somerville MA 321J HD CARRIER LLC 128   2016-04-11   
857-227 6 Somerville MA 321J HD CARRIER LLC 128   2016-04-11   
857-227 8 Somerville MA 321J HD CARRIER LLC 128   2016-04-11   
857-252 1 Quincy MA 321J HD CARRIER LLC 128   2016-09-03   
857-256 6 East Boston MA 321J HD CARRIER LLC 128   2016-04-11   
857-279 5 Newton MA 321J HD CARRIER LLC 128   2016-09-03   
857-279 9 Newton MA 321J HD CARRIER LLC 128   2016-09-03   
857-280 2 Brighton MA 321J HD CARRIER LLC 128   2016-04-29   
857-280 3 Brighton MA 321J HD CARRIER LLC 128   2016-04-29   
857-280 4 Brighton MA 321J HD CARRIER LLC 128   2016-04-29   
857-280 5 Brighton MA 321J HD CARRIER LLC 128   2016-04-29   
857-280 6 Brighton MA 321J HD CARRIER LLC 128   2016-04-29   
857-280 7 Brighton MA 321J HD CARRIER LLC 128   2016-04-29   
857-280 8 Brighton MA 321J HD CARRIER LLC 128   2016-04-29   
857-280 9 Brighton MA 321J HD CARRIER LLC 128   2016-04-29   
857-308 5 Roxbury MA 321J HD CARRIER LLC 128   2015-06-19   
857-309 9 Dorchester MA 321J HD CARRIER LLC 128   2015-06-19   
857-314 5 Milton MA 321J HD CARRIER LLC 128   2016-04-11   
857-314 9 Milton MA 321J HD CARRIER LLC 128   2016-04-11   
857-325 5 Newton MA 321J HD CARRIER LLC 128   2015-06-19   
857-325 8 Newton MA 321J HD CARRIER LLC 128   2016-09-03   
857-325 9 Newton MA 321J HD CARRIER LLC 128   2016-09-03   
857-336 2 Winthrop MA 321J HD CARRIER LLC 128   2016-05-01   
857-336 3 Winthrop MA 321J HD CARRIER LLC 128   2016-05-01   
857-336 4 Winthrop MA 321J HD CARRIER LLC 128   2016-05-01   
857-336 5 Winthrop MA 321J HD CARRIER LLC 128   2016-05-01   
857-336 9 Winthrop MA 321J HD CARRIER LLC 128   2016-09-03   
857-363 4 Everett MA 321J HD CARRIER LLC 128   2016-09-03   
857-385 0 Dorchester MA 321J HD CARRIER LLC 128   2016-09-03   
857-385 1 Dorchester MA 321J HD CARRIER LLC 128   2016-09-03   
857-385 4 Dorchester MA 321J HD CARRIER LLC 128   2016-09-03   
857-385 5 Dorchester MA 321J HD CARRIER LLC 128   2016-09-03   
857-385 7 Dorchester MA 321J HD CARRIER LLC 128   2016-09-03   
857-402 A East Boston MA 321J HD CARRIER LLC 128      
857-402 0 East Boston MA 321J HD CARRIER LLC 128   2016-04-11   
857-402 1 East Boston MA 321J HD CARRIER LLC 128   2016-04-11   
857-402 3 East Boston MA 321J HD CARRIER LLC 128   2016-04-11   
857-402 4 East Boston MA 321J HD CARRIER LLC 128   2016-04-11   
857-402 5 East Boston MA 321J HD CARRIER LLC 128   2016-04-11   
857-402 7 East Boston MA 321J HD CARRIER LLC 128   2016-04-11   
857-402 9 East Boston MA 321J HD CARRIER LLC 128   2016-04-11   
857-403 2 Quincy MA 321J HD CARRIER LLC 128   2026-07-17   
857-403 5 Quincy MA 321J HD CARRIER LLC 128   2016-09-03   
857-407 2 Roxbury MA 321J HD CARRIER LLC 128   2016-02-19   
857-414 A Brighton MA 321J HD CARRIER LLC 128      
857-414 0 Brighton MA 321J HD CARRIER LLC 128   2016-09-03   
857-414 2 Brighton MA 321J HD CARRIER LLC 128   2016-09-03   
857-414 3 Brighton MA 321J HD CARRIER LLC 128   2016-09-03   
857-414 4 Brighton MA 321J HD CARRIER LLC 128   2016-09-03   

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

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