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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
310-807 A Compton: Gardena DA CA LSANCARC5KD  7379 MATRIX TELECOM, LLC. SII TNCI - CA 730      
310-807 0 Compton: Gardena DA CA   7379 MATRIX TELECOM, LLC. SII TNCI - CA 730      
310-807 1 Compton: Gardena DA CA   7379 MATRIX TELECOM, LLC. SII TNCI - CA 730      
310-807 2 Compton: Gardena DA CA   7379 MATRIX TELECOM, LLC. SII TNCI - CA 730      
310-807 3 Compton: Gardena DA CA   7379 MATRIX TELECOM, LLC. SII TNCI - CA 730      
310-807 4 Compton: Gardena DA CA   7379 MATRIX TELECOM, LLC. SII TNCI - CA 730      
310-807 5 Compton: Gardena DA CA   7379 MATRIX TELECOM, LLC. SII TNCI - CA 730      
310-807 6 Compton: Gardena DA CA   7379 MATRIX TELECOM, LLC. SII TNCI - CA 730   2006-05-12   
310-807 7 Compton: Gardena DA CA   7379 MATRIX TELECOM, LLC. SII TNCI - CA 730   2006-05-12   
310-807 8 Compton: Gardena DA CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730   2006-08-16   
310-807 9 Compton: Gardena DA CA   4733 PAETEC COMMUNICATIONS, INC. - CA 730   2006-08-16   

Last updated: Sat, 14 Sep 2019 01:44:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.