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:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
831-840 A Watsonville CA SNTDCAUJCM9  6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-840 0 Watsonville CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-840 1 Watsonville CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-840 2 Watsonville CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-840 3 Watsonville CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-840 4 Watsonville CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-840 5 Watsonville CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-840 6 Watsonville CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722      
831-840 7 Watsonville CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-06-11   
831-840 8 Watsonville CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2003-09-21   
831-840 9 Watsonville CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2005-08-18   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.