Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Switch: SNMNCAXPPS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
310-664 A Santa Monica: Santa Monica DA CA 2319 FRONTIER CALIFORNIA INC. 730      
562-407 8 Norwalk CA 2319 FRONTIER CALIFORNIA INC. 730      
562-465 5 Norwalk CA 2319 FRONTIER CALIFORNIA INC. 730      
562-465 6 Norwalk CA 2319 FRONTIER CALIFORNIA INC. 730      
562-490 5 Long Beach CA 2319 FRONTIER CALIFORNIA INC. 730      
562-654 4 Pico Rivera CA 2319 FRONTIER CALIFORNIA INC. 730      
562-916 2 Norwalk CA 2319 FRONTIER CALIFORNIA INC. 730      
562-936 2 Alamitos CA 2319 FRONTIER CALIFORNIA INC. 730      
562-936 3 Alamitos CA 2319 FRONTIER CALIFORNIA INC. 730      
562-936 4 Alamitos CA 2319 FRONTIER CALIFORNIA INC. 730      
562-936 6 Alamitos CA 2319 FRONTIER CALIFORNIA INC. 730      
626-306 5 Sierra Madre CA 2319 FRONTIER CALIFORNIA INC. 730      
626-822 4 Sierra Madre CA 2319 FRONTIER CALIFORNIA INC. 730      
626-856 7 Covina-Baldwin Park CA 2319 FRONTIER CALIFORNIA INC. 730      
626-910 6 San Gabriel Canyon CA 2319 FRONTIER CALIFORNIA INC. 730      
626-910 7 San Gabriel Canyon CA 2319 FRONTIER CALIFORNIA INC. 730      
626-931 8 Covina-Baldwin Park CA 2319 FRONTIER CALIFORNIA INC. 730      
626-935 3 La Puente CA 2319 FRONTIER CALIFORNIA INC. 730      
626-935 4 La Puente CA 2319 FRONTIER CALIFORNIA INC. 730      
805-778 2 Thousand Oaks CA 2319 FRONTIER CALIFORNIA INC. 730      
909-445 3 Claremont-San Dimas CA 2319 FRONTIER CALIFORNIA INC. 730      
909-445 5 Claremont-San Dimas CA 2319 FRONTIER CALIFORNIA INC. 730      
928-923 0 Ehrenberg AZ 4419 FRONTIER COMMUNICATIONS OF THE SOUTHWEST INC. - AZ 730      

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

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