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
840-345 8 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
840-345 9 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
840-588 5 Diamond Bar CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-12-28   
840-588 6 Diamond Bar CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-12-28   
840-588 7 Diamond Bar CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-12-28   
840-666 0 Fontana CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-04-08   
840-666 5 Fontana CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-03-31   
840-666 7 Fontana CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-03-31   
840-677 6 Etiwanda CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-02-05   
840-777 0 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-07-30   
840-777 1 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-07-30   
840-777 2 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-07-30   
840-777 3 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-07-30   
840-777 4 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-07-30   
840-777 5 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-07-30   
840-877 5 Marshall CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2022-06-27   
840-877 6 Marshall CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2022-08-28   
840-899 4 Highland CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-10-21   
840-900 1 Rialto CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-04-05   
840-900 8 Rialto CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-03-31   
909-201 3 Fontana CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-02-17   
909-201 4 Fontana CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-02-17   
909-210 A Ontario CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-213 A Colton CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-214 A Ontario CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-217 4 Chino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2009-07-17   
909-217 8 Chino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2008-07-28   
909-230 1 Ontario CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-07-13   
909-231 5 Fontana CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-07-12   
909-233 5 Rialto CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2008-03-12   
909-247 A Chino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-247 0 Chino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2007-07-28   
909-248 8 Chino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2008-12-25   
909-257 4 Upland CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2010-07-25   
909-262 A Ontario CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-263 A Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-267 5 Claremont-San Dimas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-01-03   
909-274 8 Diamond Bar CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2010-07-11   
909-280 1 Highland CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2010-08-10   
909-282 8 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2003-06-03   
909-283 5 Redlands CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2014-08-22   
909-286 A Ontario CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-287 4 Chino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-12-16   
909-288 2 Claremont-San Dimas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-08-11   
909-288 3 Claremont-San Dimas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2017-05-08   
909-289 A San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-293 6 Claremont-San Dimas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2019-03-01   
909-296 A Upland CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
909-296 9 Upland CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2011-09-02   
909-297 6 Upland CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2005-12-17   

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

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