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
857-348 7 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2018-09-27   
857-348 8 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2018-09-27   
857-348 9 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2018-09-27   
857-352 3 Brookline MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2015-08-18   
857-352 4 Brookline MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2015-08-18   
857-352 6 Brookline MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2018-04-20   
857-354 7 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-10-12   
857-358 A Quincy MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
857-358 8 Quincy MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-05-23   
857-358 9 Quincy MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-05-23   
857-361 2 Brookline MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2017-07-01   
857-385 A Dorchester MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
857-385 2 Dorchester MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2023-04-15   
857-385 6 Dorchester MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-07-23   
857-385 8 Dorchester MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-10-24   
857-385 9 Dorchester MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-10-24   
857-387 0 Quincy MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-01-07   
857-400 4 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-12-27   
857-400 6 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-12-27   
857-407 A Roxbury MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
857-407 5 Roxbury MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2022-09-17   
857-407 8 Roxbury MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2015-07-31   
857-407 9 Roxbury MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2015-07-31   
857-413 7 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-03-09   
857-419 A Milton MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
857-419 9 Milton MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-10-10   
857-423 4 Brookline MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-05-02   
857-423 6 Brookline MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-05-02   
857-424 A Roxbury MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
857-424 7 Roxbury MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2018-08-06   
857-424 8 Roxbury MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-12-16   
857-424 9 Roxbury MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-12-16   
857-425 A Brighton MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
857-425 9 Brighton MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2016-11-07   
857-427 0 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-19   
857-427 1 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-19   
857-427 2 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-19   
857-429 0 Roxbury MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-31   
857-429 1 Roxbury MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-31   
857-429 5 Roxbury MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-31   
857-429 6 Roxbury MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-31   
857-430 A Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-28   
857-430 0 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-28   
857-430 1 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-28   
857-430 2 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-28   
857-430 3 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-28   
857-430 4 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-28   
857-430 5 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-28   
857-430 6 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-28   
857-430 7 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-28   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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