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
781-889 1 Marshfield MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
781-898 A Needham MA 624H ONVOY SPECTRUM, LLC 128      
781-898 0 Needham MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
781-898 1 Needham MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
781-921 1 Medford MA 624H ONVOY SPECTRUM, LLC 128   2022-03-28   
781-921 2 Medford MA 624H ONVOY SPECTRUM, LLC 128   2022-03-28   
781-926 1 Braintree MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
781-926 8 Braintree MA 624H ONVOY SPECTRUM, LLC 128   2021-11-27   
781-973 5 Lynnfield MA 624H ONVOY SPECTRUM, LLC 128   2021-11-14   
781-973 6 Lynnfield MA 624H ONVOY SPECTRUM, LLC 128   2021-11-14   
781-977 3 Winchester MA 624H ONVOY SPECTRUM, LLC 128   2021-04-15   
781-992 2 Wellesley MA 624H ONVOY SPECTRUM, LLC 128   2021-09-03   
781-997 7 Wellesley MA 624H ONVOY SPECTRUM, LLC 128   2022-01-28   
781-997 8 Wellesley MA 624H ONVOY SPECTRUM, LLC 128   2022-01-28   
857-244 7 Boston MA 624H ONVOY SPECTRUM, LLC 128   2024-09-11   
857-297 5 Newton MA 624H ONVOY SPECTRUM, LLC 128   2022-02-27   
857-297 6 Newton MA 624H ONVOY SPECTRUM, LLC 128   2022-02-27   
857-298 A Cambridge MA 624H ONVOY SPECTRUM, LLC 128      
857-298 0 Cambridge MA 624H ONVOY SPECTRUM, LLC 128   2017-11-20   
857-298 1 Cambridge MA 624H ONVOY SPECTRUM, LLC 128   2020-07-03   
857-298 2 Cambridge MA 624H ONVOY SPECTRUM, LLC 128   2020-06-05   
857-298 3 Cambridge MA 624H ONVOY SPECTRUM, LLC 128   2020-06-05   
857-298 4 Cambridge MA 624H ONVOY SPECTRUM, LLC 128   2020-06-05   
857-298 5 Cambridge MA 624H ONVOY SPECTRUM, LLC 128   2020-06-05   
857-298 6 Cambridge MA 624H ONVOY SPECTRUM, LLC 128   2020-07-03   
857-298 7 Cambridge MA 624H ONVOY SPECTRUM, LLC 128   2020-07-03   
857-299 9 Belmont MA 624H ONVOY SPECTRUM, LLC 128   2024-12-06   
857-341 5 Belmont MA 624H ONVOY SPECTRUM, LLC 128   2021-04-05   
857-341 7 Belmont MA 624H ONVOY SPECTRUM, LLC 128   2024-12-06   
857-349 7 Winthrop MA 624H ONVOY SPECTRUM, LLC 128   2021-04-15   
857-355 4 Everett MA 624H ONVOY SPECTRUM, LLC 128   2021-04-08   
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 3 Watertown MA 624H ONVOY SPECTRUM, LLC 128   2024-12-06   
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 3 East Boston MA 624H ONVOY SPECTRUM, LLC 128   2024-12-06   
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   
857-384 3 Brighton MA 624H ONVOY SPECTRUM, LLC 128   2022-02-11   
857-384 7 Brighton MA 624H ONVOY SPECTRUM, LLC 128   2022-02-11   
857-387 7 Quincy MA 624H ONVOY SPECTRUM, LLC 128   2022-02-07   
857-387 8 Quincy MA 624H ONVOY SPECTRUM, LLC 128   2022-02-07   
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   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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