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
857-355 6 Everett MA 624H ONVOY SPECTRUM, LLC 128   2021-09-03   
857-357 5 Cambridge MA 624H ONVOY SPECTRUM, LLC 128   2021-09-03   
857-365 5 Boston MA 624H ONVOY SPECTRUM, LLC 128   2021-04-05   
857-367 5 Watertown MA 624H ONVOY SPECTRUM, LLC 128   2021-04-15   
857-371 0 Watertown MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
857-375 4 Dorchester MA 624H ONVOY SPECTRUM, LLC 128   2021-11-18   
857-379 5 Roxbury MA 624H ONVOY SPECTRUM, LLC 128   2021-11-21   
857-379 7 Roxbury MA 624H ONVOY SPECTRUM, LLC 128   2021-11-21   
857-380 4 East Boston MA 624H ONVOY SPECTRUM, LLC 128   2021-04-08   
857-382 8 East Boston MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
857-382 9 East Boston MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
857-388 3 Somerville MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
857-388 5 Somerville MA 624H ONVOY SPECTRUM, LLC 128   2022-01-15   
857-388 6 Somerville MA 624H ONVOY SPECTRUM, LLC 128   2022-01-15   
857-388 8 Somerville MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
857-392 7 Jamaica Plain MA 624H ONVOY SPECTRUM, LLC 128   2021-11-19   
857-392 8 Jamaica Plain MA 624H ONVOY SPECTRUM, LLC 128   2021-11-19   
857-394 7 Belmont MA 624H ONVOY SPECTRUM, LLC 128   2022-04-05   
857-394 8 Belmont MA 624H ONVOY SPECTRUM, LLC 128   2022-04-05   
857-419 2 Milton MA 624H ONVOY SPECTRUM, LLC 128   2021-04-11   
857-422 8 South Boston MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
857-422 9 South Boston MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
857-425 5 Brighton MA 624H ONVOY SPECTRUM, LLC 128   2021-04-05   
857-475 0 Chelsea MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
857-475 1 Chelsea MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
857-597 1 Winthrop MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
857-597 9 Winthrop MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
857-754 8 Quincy MA 624H ONVOY SPECTRUM, LLC 128   2021-04-12   
857-766 2 South Boston MA 624H ONVOY SPECTRUM, LLC 128   2021-09-03   
857-766 4 South Boston MA 624H ONVOY SPECTRUM, LLC 128   2021-04-12   
857-837 4 Charlestown MA 624H ONVOY SPECTRUM, LLC 128   2021-04-08   
857-847 A Dorchester MA 624H ONVOY SPECTRUM, LLC 128   2021-05-17   
857-847 7 Dorchester MA 624H ONVOY SPECTRUM, LLC 128   2021-05-17   
857-858 8 Newton MA 624H ONVOY SPECTRUM, LLC 128   2021-04-11   
857-867 A Brookline MA 624H ONVOY SPECTRUM, LLC 128   2021-05-17   
857-867 3 Brookline MA 624H ONVOY SPECTRUM, LLC 128   2022-01-22   
857-867 4 Brookline MA 624H ONVOY SPECTRUM, LLC 128   2022-01-22   
857-867 8 Brookline MA 624H ONVOY SPECTRUM, LLC 128   2021-05-17   
857-887 A Jamaica Plain MA 624H ONVOY SPECTRUM, LLC 128   2021-02-19   
857-887 5 Jamaica Plain MA 624H ONVOY SPECTRUM, LLC 128   2021-02-23   
857-887 6 Jamaica Plain MA 624H ONVOY SPECTRUM, LLC 128   2021-02-23   
857-887 7 Jamaica Plain MA 624H ONVOY SPECTRUM, LLC 128   2021-02-23   
857-887 8 Jamaica Plain MA 624H ONVOY SPECTRUM, LLC 128   2021-02-19   
857-995 2 Somerville MA 624H ONVOY SPECTRUM, LLC 128   2021-04-12   
978-203 8 Wilmington MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-222 5 North Reading MA 624H ONVOY SPECTRUM, LLC 128   2021-04-11   
978-229 1 Wilmington MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-245 9 Concord MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-255 0 Newburyport MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
978-277 0 Templeton MA 624H ONVOY SPECTRUM, LLC 128   2021-11-14   

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Last updated: Tue, 24 Jan 2023 03:01:57 UTC

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