Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 909 [Rate centres in NPA 909] [Dial plan for NPA 909]

NXX: 879

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
909-879 A Rialto CA RILTCA11DS0  9740 PACIFIC BELL 730      
909-879 0 Rialto CA RILTCA11DS0  9740 PACIFIC BELL 730      
909-879 1 Rialto CA RILTCA11DS0  9740 PACIFIC BELL 730      
909-879 2 Rialto CA RILTCA11DS0  9740 PACIFIC BELL 730      
909-879 3 Rialto CA RILTCA11DS0  9740 PACIFIC BELL 730      
909-879 4 Rialto CA RILTCA11DS0  9740 PACIFIC BELL 730      
909-879 5 Rialto CA RILTCA11DS0  9740 PACIFIC BELL 730      
909-879 6 Rialto CA   829J PAETEC ITEL, LLC 730   2011-06-10   
909-879 7 Rialto CA RILTCA11DS0  9740 PACIFIC BELL 730      
909-879 8 Rialto CA RILTCA11DS0  9740 PACIFIC BELL 730      
909-879 9 Rialto CA RILTCA11DS0  9740 PACIFIC BELL 730      

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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