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
617-829 6 Quincy MA 321J HD CARRIER LLC 128   2016-05-12   
617-829 7 Quincy MA 321J HD CARRIER LLC 128   2016-05-16   
617-848 7 Boston MA 321J HD CARRIER LLC 128   2026-03-14   
617-857 3 Brookline MA 321J HD CARRIER LLC 128   2025-11-28   
617-857 4 Brookline MA 321J HD CARRIER LLC 128   2025-11-28   
617-857 5 Brookline MA 321J HD CARRIER LLC 128   2025-11-28   
617-885 5 Boston MA 321J HD CARRIER LLC 128   2026-03-14   
617-890 2 Quincy MA 321J HD CARRIER LLC 128   2016-09-03   
617-890 3 Quincy MA 321J HD CARRIER LLC 128   2016-09-03   
617-890 8 Quincy MA 321J HD CARRIER LLC 128   2016-09-03   
617-941 8 Somerville MA 321J HD CARRIER LLC 128   2016-04-11   
617-944 3 Everett MA 321J HD CARRIER LLC 128   2016-04-11   
617-944 7 Everett MA 321J HD CARRIER LLC 128   2016-04-11   
617-944 8 Everett MA 321J HD CARRIER LLC 128   2016-04-11   
617-996 3 Somerville MA 321J HD CARRIER LLC 128   2016-04-11   
617-996 4 Somerville MA 321J HD CARRIER LLC 128   2016-04-11   
774-258 3 Northboro MA 321J HD CARRIER LLC 128   2016-05-12   
774-258 4 Northboro MA 321J HD CARRIER LLC 128   2016-05-12   
774-258 5 Northboro MA 321J HD CARRIER LLC 128   2016-05-12   
774-258 6 Northboro MA 321J HD CARRIER LLC 128   2016-05-12   
774-267 2 Northboro MA 321J HD CARRIER LLC 128   2016-05-12   
774-267 3 Northboro MA 321J HD CARRIER LLC 128   2016-05-16   
774-267 4 Northboro MA 321J HD CARRIER LLC 128   2016-05-12   
774-267 7 Northboro MA 321J HD CARRIER LLC 128   2016-05-12   
774-267 8 Northboro MA 321J HD CARRIER LLC 128   2016-05-12   
774-440 4 Framingham MA 321J HD CARRIER LLC 128   2016-04-20   
774-440 5 Framingham MA 321J HD CARRIER LLC 128   2016-04-20   
774-440 6 Framingham MA 321J HD CARRIER LLC 128   2016-04-12   
774-440 7 Framingham MA 321J HD CARRIER LLC 128   2016-04-12   
774-480 3 Brockton MA 321J HD CARRIER LLC 128   2016-04-11   
774-480 6 Brockton MA 321J HD CARRIER LLC 128   2016-04-11   
774-480 7 Brockton MA 321J HD CARRIER LLC 128   2016-04-11   
774-513 1 Westboro MA 321J HD CARRIER LLC 128   2016-04-20   
774-513 2 Westboro MA 321J HD CARRIER LLC 128   2016-04-20   
774-513 4 Westboro MA 321J HD CARRIER LLC 128   2016-04-11   
774-513 7 Westboro MA 321J HD CARRIER LLC 128   2016-04-11   
774-548 7 Worcester MA 321J HD CARRIER LLC 128   2025-11-28   
774-548 8 Worcester MA 321J HD CARRIER LLC 128   2025-11-28   
774-581 2 Foxboro MA 321J HD CARRIER LLC 128   2016-04-16   
774-581 3 Foxboro MA 321J HD CARRIER LLC 128   2016-04-16   
774-581 4 Foxboro MA 321J HD CARRIER LLC 128   2016-04-16   
774-581 5 Foxboro MA 321J HD CARRIER LLC 128   2016-04-16   
774-707 8 Framingham MA 321J HD CARRIER LLC 128   2016-09-03   
774-800 2 Carver MA 321J HD CARRIER LLC 128   2016-04-11   
774-800 5 Carver MA 321J HD CARRIER LLC 128   2016-04-11   
774-800 6 Carver MA 321J HD CARRIER LLC 128   2016-04-11   
774-800 7 Carver MA 321J HD CARRIER LLC 128   2016-04-11   
774-800 9 Carver MA 321J HD CARRIER LLC 128   2016-09-03   
781-448 0 Rockland MA 321J HD CARRIER LLC 128   2016-09-03   
781-448 1 Rockland 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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