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
840-221 3 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2022-12-23   
840-221 4 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2022-12-23   
840-221 5 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2022-12-23   
840-221 6 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2022-12-23   
840-221 7 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2022-12-23   
840-223 3 Calimesa CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-10-31   
840-224 A San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-224 3 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-01-20   
840-224 4 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-01-20   
840-224 5 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-01-20   
840-224 6 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-01-20   
840-224 7 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-01-20   
840-224 8 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-01-20   
840-224 9 San Bernardino CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-01-20   
840-225 A Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-225 0 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-225 1 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-225 2 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-225 3 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-225 4 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-225 5 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-225 6 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-225 7 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-225 8 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-225 9 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-226 0 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-06-13   
840-226 1 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-06-13   
840-226 3 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-06-13   
840-226 4 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-06-13   
840-226 5 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-06-13   
840-226 6 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-06-13   
840-226 7 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-06-13   
840-226 8 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-06-13   
840-226 9 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-06-13   
840-229 6 Claremont-San Dimas CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-09-26   
840-230 4 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-08-01   
840-230 5 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-08-01   
840-230 6 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-08-01   
840-230 7 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-08-01   
840-230 8 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-08-01   
840-230 9 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-08-01   
840-231 0 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-08-05   
840-231 1 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-08-05   
840-231 2 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-08-05   
840-231 3 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-08-05   
840-231 4 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-08-05   
840-231 5 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-08-05   
840-231 6 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-08-05   
840-231 7 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-08-05   
840-231 8 Pomona CA 6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-08-05   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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