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
857-330 4 Boston MA 892D ONVOY, LLC - MA 128   2014-12-12   
857-330 5 Boston MA 892D ONVOY, LLC - MA 128   2014-12-12   
857-330 6 Boston MA 892D ONVOY, LLC - MA 128   2014-12-12   
857-335 1 Boston MA 892D ONVOY, LLC - MA 128   2020-06-15   
857-335 4 Boston MA 892D ONVOY, LLC - MA 128   2023-06-26   
857-335 8 Boston MA 892D ONVOY, LLC - MA 128   2020-06-15   
857-335 9 Boston MA 892D ONVOY, LLC - MA 128   2020-06-15   
857-336 A Winthrop MA 892D ONVOY, LLC - MA 128      
857-336 0 Winthrop MA 892D ONVOY, LLC - MA 128   2016-04-30   
857-336 1 Winthrop MA 892D ONVOY, LLC - MA 128   2016-04-30   
857-337 1 Brookline MA 892D ONVOY, LLC - MA 128   2016-01-14   
857-337 2 Brookline MA 892D ONVOY, LLC - MA 128   2017-05-09   
857-340 4 Brookline MA 892D ONVOY, LLC - MA 128   2021-03-12   
857-340 5 Brookline MA 892D ONVOY, LLC - MA 128   2021-03-12   
857-340 6 Brookline MA 892D ONVOY, LLC - MA 128   2021-03-12   
857-341 3 Belmont MA 892D ONVOY, LLC - MA 128   2020-06-12   
857-341 4 Belmont MA 892D ONVOY, LLC - MA 128   2020-06-12   
857-341 6 Belmont MA 892D ONVOY, LLC - MA 128   2021-04-06   
857-341 8 Belmont MA 892D ONVOY, LLC - MA 128   2021-03-07   
857-341 9 Belmont MA 892D ONVOY, LLC - MA 128   2021-03-07   
857-342 4 Hyde Park MA 892D ONVOY, LLC - MA 128   2010-04-07   
857-343 3 Boston MA 892D ONVOY, LLC - MA 128   2023-06-26   
857-343 8 Boston MA 892D ONVOY, LLC - MA 128   2018-06-16   
857-344 0 Quincy MA 892D ONVOY, LLC - MA 128   2019-05-11   
857-344 1 Quincy MA 892D ONVOY, LLC - MA 128   2019-05-11   
857-344 9 Quincy MA 892D ONVOY, LLC - MA 128   2018-06-16   
857-347 3 Boston MA 892D ONVOY, LLC - MA 128   2018-08-28   
857-347 4 Boston MA 892D ONVOY, LLC - MA 128   2018-08-28   
857-347 5 Boston MA 892D ONVOY, LLC - MA 128   2018-08-28   
857-349 2 Winthrop MA 892D ONVOY, LLC - MA 128   2021-04-06   
857-349 4 Winthrop MA 892D ONVOY, LLC - MA 128   2021-03-07   
857-349 5 Winthrop MA 892D ONVOY, LLC - MA 128   2021-03-07   
857-349 9 Winthrop MA 892D ONVOY, LLC - MA 128   2020-07-07   
857-353 5 Boston MA 892D ONVOY, LLC - MA 128   2020-02-28   
857-353 6 Boston MA 892D ONVOY, LLC - MA 128   2020-03-31   
857-353 7 Boston MA 892D ONVOY, LLC - MA 128   2020-02-28   
857-353 8 Boston MA 892D ONVOY, LLC - MA 128   2020-03-31   
857-354 5 Boston MA 892D ONVOY, LLC - MA 128   2023-06-26   
857-355 0 Everett MA 892D ONVOY, LLC - MA 128   2021-11-13   
857-355 2 Everett MA 892D ONVOY, LLC - MA 128   2020-05-23   
857-355 3 Everett MA 892D ONVOY, LLC - MA 128   2020-05-23   
857-355 5 Everett MA 892D ONVOY, LLC - MA 128   2022-10-08   
857-355 8 Everett MA 892D ONVOY, LLC - MA 128   2022-09-29   
857-356 4 Boston MA 892D ONVOY, LLC - MA 128   2021-12-02   
857-357 7 Cambridge MA 892D ONVOY, LLC - MA 128   2020-06-21   
857-357 8 Cambridge MA 892D ONVOY, LLC - MA 128   2020-06-21   
857-358 0 Quincy MA 892D ONVOY, LLC - MA 128   2020-06-07   
857-358 1 Quincy MA 892D ONVOY, LLC - MA 128   2020-06-07   
857-358 2 Quincy MA 892D ONVOY, LLC - MA 128   2020-06-07   
857-361 4 Brookline MA 892D ONVOY, LLC - MA 128   2019-02-23   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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