Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: PDRYCAXF82A

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
310-301 A Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-302 A Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-302 0 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-302 1 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-302 2 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-302 3 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-302 4 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-302 5 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-302 6 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-302 8 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-302 9 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-305 A Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-306 A Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-448 A Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-448 0 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-448 4 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-448 5 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-448 6 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-448 7 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-448 8 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-448 9 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-574 A Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-574 0 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-574 1 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-574 3 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-574 4 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-574 6 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-574 8 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-574 9 Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-577 A Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-578 A Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-821 A Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-822 A Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-823 A Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      
310-827 A Santa Monica: Mar Vista DA CA 2319 FRONTIER CALIFORNIA INC. 730      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.