Local Calling Guide

Area code/prefix search

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
857-259 8 Cambridge MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-07-21   
857-265 A Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
857-265 4 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-09-05   
857-265 5 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-09-05   
857-265 6 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-09-05   
857-265 8 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-09-05   
857-265 9 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2011-09-05   
857-271 6 Dorchester MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-12-15   
857-271 8 Dorchester MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-04-30   
857-271 9 Dorchester MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-04-30   
857-272 A Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128      
857-272 0 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-04-22   
857-272 1 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-04-22   
857-272 2 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-04-22   
857-272 3 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-04-22   
857-272 4 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-06-21   
857-272 5 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-06-21   
857-272 6 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-06-21   
857-272 7 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-06-21   
857-272 8 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-06-15   
857-272 9 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2006-06-15   
857-273 6 Jamaica Plain MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2014-12-08   
857-290 3 Newton MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-10-18   
857-296 2 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2018-05-17   
857-296 3 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-10-11   
857-296 4 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-10-11   
857-297 7 Newton MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2020-05-02   
857-309 6 Dorchester MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2015-09-18   
857-309 8 Dorchester MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2015-09-18   
857-315 6 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-10-11   
857-315 9 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-10-11   
857-328 2 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-08-17   
857-328 3 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-08-17   
857-328 4 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-08-17   
857-328 5 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-08-17   
857-328 6 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-08-17   
857-328 7 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-08-17   
857-335 3 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-08-05   
857-335 7 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-10-12   
857-339 7 Roxbury MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-31   
857-343 4 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-10-12   
857-343 5 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-10-12   
857-343 6 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-10-12   
857-343 7 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-10-12   
857-347 6 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2018-08-28   
857-347 7 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2018-08-28   
857-347 8 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2018-08-28   
857-347 9 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2018-08-28   
857-348 A Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2024-12-29   
857-348 6 Boston MA 4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2018-09-27   

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

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