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
857-226 9 Newton MA 892D ONVOY, LLC - MA 128   2014-09-19   
857-227 1 Somerville MA 892D ONVOY, LLC - MA 128   2010-03-15   
857-228 3 Watertown MA 892D ONVOY, LLC - MA 128   2010-03-15   
857-229 2 Newton MA 892D ONVOY, LLC - MA 128   2010-03-15   
857-231 5 Newton MA 892D ONVOY, LLC - MA 128   2023-02-20   
857-231 7 Newton MA 892D ONVOY, LLC - MA 128   2023-02-20   
857-231 8 Newton MA 892D ONVOY, LLC - MA 128   2023-02-20   
857-232 A Newton MA 892D ONVOY, LLC - MA 128      
857-232 0 Newton MA 892D ONVOY, LLC - MA 128   2006-07-01   
857-232 1 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-232 2 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-232 3 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-232 4 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-232 5 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-232 6 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-232 7 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-232 8 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-232 9 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-239 A Boston MA 892D ONVOY, LLC - MA 128      
857-239 1 Boston MA 892D ONVOY, LLC - MA 128   2010-03-01   
857-239 2 Boston MA 892D ONVOY, LLC - MA 128   2010-03-01   
857-240 0 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-240 1 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-240 2 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-240 4 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-240 5 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-240 6 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-240 7 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-240 8 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-240 9 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-243 A Boston MA 892D ONVOY, LLC - MA 128      
857-243 2 Boston MA 892D ONVOY, LLC - MA 128   2009-12-27   
857-255 1 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-255 9 Newton MA 892D ONVOY, LLC - MA 128   2012-06-01   
857-256 3 East Boston MA 892D ONVOY, LLC - MA 128   2016-02-27   
857-256 5 East Boston MA 892D ONVOY, LLC - MA 128   2016-02-27   
857-257 8 South Boston MA 892D ONVOY, LLC - MA 128   2024-03-07   
857-264 5 Boston MA 892D ONVOY, LLC - MA 128   2011-03-13   
857-267 5 Milton MA 892D ONVOY, LLC - MA 128   2014-09-13   
857-267 8 Milton MA 892D ONVOY, LLC - MA 128   2014-12-30   
857-267 9 Milton MA 892D ONVOY, LLC - MA 128   2014-12-30   
857-270 7 Cambridge MA 892D ONVOY, LLC - MA 128   2017-05-10   
857-271 A Dorchester MA 892D ONVOY, LLC - MA 128      
857-271 4 Dorchester MA 892D ONVOY, LLC - MA 128   2014-10-12   
857-271 5 Dorchester MA 892D ONVOY, LLC - MA 128   2014-10-12   
857-273 8 Jamaica Plain MA 892D ONVOY, LLC - MA 128   2014-12-31   
857-273 9 Jamaica Plain MA 892D ONVOY, LLC - MA 128   2014-12-31   
857-280 A Brighton MA 892D ONVOY, LLC - MA 128      
857-280 0 Brighton MA 892D ONVOY, LLC - MA 128   2016-04-28   
857-280 1 Brighton MA 892D ONVOY, LLC - MA 128   2016-04-28   

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

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