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: 530 [Rate centres in NPA 530] [Dial plan for NPA 530]

NXX: 538

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
530-538 A Oroville CA ORVLCA11DS0  9740 PACIFIC BELL 724      
530-538 0 Oroville CA ORVLCA11DS0  9740 PACIFIC BELL 724      
530-538 1 Oroville CA CHICCA01RMD  5562 METROPCS, INC. 724      
530-538 2 Oroville CA ORVLCA11DS0  9740 PACIFIC BELL 724      
530-538 3 Oroville CA ORVLCA11DS0  9740 PACIFIC BELL 724      
530-538 4 Oroville CA ORVLCA11DS0  9740 PACIFIC BELL 724      
530-538 5 Oroville CA ORVLCA11DS0  9740 PACIFIC BELL 724      
530-538 6 Oroville CA ORVLCA11DS0  9740 PACIFIC BELL 724      
530-538 7 Oroville CA ORVLCA11DS0  9740 PACIFIC BELL 724      
530-538 8 Oroville CA ORVLCA11DS0  9740 PACIFIC BELL 724      
530-538 9 Oroville CA ORVLCA11DS0  9740 PACIFIC BELL 724      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.