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: 831 [Rate centres in NPA 831] [Dial plan for NPA 831]

NXX: 238

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-238 A Carmel CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-238 0 Carmel CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-238 1 Carmel CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-238 2 Carmel CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-238 3 Carmel CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-238 4 Carmel CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-238 5 Carmel CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-238 6 Carmel CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-238 7 Carmel CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-238 8 Carmel CA SLNSCABIXMD  6010 NEW CINGULAR WIRELESS PCS, LLC 736      
831-238 9 Carmel CA MTRYCA012MD  981E BANDWIDTH.COM CLEC, LLC - CA 736      

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.