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.

NPA: 310 [Rate centres in NPA 310] [Dial plan for NPA 310]

NXX: 768

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-768 A Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-768 0 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-768 1 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-768 2 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-768 3 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-768 4 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-768 5 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-768 6 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-768 7 Compton: Gardena DA CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
310-768 8 Compton: Gardena DA CA GRDNCA01DS0  9740 PACIFIC BELL 730      
310-768 9 Compton: Gardena DA CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.