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: 909 [Rate centres in NPA 909] [Dial plan for NPA 909]

NXX: 433

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-433 A Colton CA COTNCA11DS0  9740 PACIFIC BELL 730      
909-433 0 Colton CA COTNCA11DS0  9740 PACIFIC BELL 730      
909-433 1 Colton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
909-433 2 Colton CA ANHMCANG2MD  4733 PAETEC COMMUNICATIONS, INC. - CA 730      
909-433 3 Colton CA COTNCA11DS0  9740 PACIFIC BELL 730      
909-433 4 Colton CA COTNCA11DS0  9740 PACIFIC BELL 730      
909-433 5 Colton CA COTNCA11DS0  9740 PACIFIC BELL 730      
909-433 6 Colton CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
909-433 7 Colton CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
909-433 8 Colton CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
909-433 9 Colton CA COTNCA11DS0  9740 PACIFIC BELL 730      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.