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
840-270 7 Ontario CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-03   
840-270 8 Ontario CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-03   
840-270 9 Ontario CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-03   
840-277 0 Claremont-San Dimas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-01-23   
840-277 5 Claremont-San Dimas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-05-29   
840-277 6 Claremont-San Dimas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-05-29   
840-280 0 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-04-20   
840-280 7 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-06-19   
840-280 8 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-06-19   
840-287 1 Marshall CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-02-20   
840-288 0 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-04-14   
840-288 1 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-04-14   
840-288 3 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-04-14   
840-288 4 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-04-14   
840-288 5 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-04-14   
840-288 6 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-04-14   
840-288 7 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-04-14   
840-288 8 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-04-14   
840-288 9 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2026-04-14   
840-333 6 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
840-333 7 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-07-30   
840-333 8 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-07-30   
840-333 9 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-07-30   
840-345 0 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
840-345 1 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
840-345 2 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
840-345 3 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
840-345 4 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
840-345 5 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
840-345 7 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
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   

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

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