Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: SNBRCAXK88E

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
909-252 A San Bernardino CA 2319 FRONTIER CALIFORNIA INC. 730      
909-381 A San Bernardino CA 2319 FRONTIER CALIFORNIA INC. 730      
909-383 A San Bernardino CA 2319 FRONTIER CALIFORNIA INC. 730      
909-384 A San Bernardino CA 2319 FRONTIER CALIFORNIA INC. 730      
909-386 A San Bernardino CA 2319 FRONTIER CALIFORNIA INC. 730      
909-387 A San Bernardino CA 2319 FRONTIER CALIFORNIA INC. 730      
909-388 A San Bernardino CA 2319 FRONTIER CALIFORNIA INC. 730      
909-501 A San Bernardino CA 2319 FRONTIER CALIFORNIA INC. 730      
909-884 A San Bernardino CA 2319 FRONTIER CALIFORNIA INC. 730      
909-885 A San Bernardino CA 2319 FRONTIER CALIFORNIA INC. 730      
909-888 A San Bernardino CA 2319 FRONTIER CALIFORNIA INC. 730      
909-889 A San Bernardino CA 2319 FRONTIER CALIFORNIA INC. 730      
909-891 A San Bernardino CA 2319 FRONTIER CALIFORNIA INC. 730      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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