Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
831-295 0 Santa Cruz CA 6529 T-MOBILE USA, INC. 722      
831-295 1 Santa Cruz CA 6529 T-MOBILE USA, INC. 722   2005-08-14   
831-295 2 Santa Cruz CA 6529 T-MOBILE USA, INC. 722      
831-295 3 Santa Cruz CA 6529 T-MOBILE USA, INC. 722      
831-295 4 Santa Cruz CA 6529 T-MOBILE USA, INC. 722   2006-04-06   
831-295 7 Santa Cruz CA 6529 T-MOBILE USA, INC. 722   2014-01-03   
831-295 9 Santa Cruz CA 6529 T-MOBILE USA, INC. 722      
831-316 6 Santa Cruz CA 5562 METROPCS, INC. 722   2019-08-24   
831-316 8 Santa Cruz CA 5562 METROPCS, INC. 722   2007-07-27   
831-319 1 Watsonville CA 6529 T-MOBILE USA, INC. 722   2011-10-15   
831-319 2 Watsonville CA 6529 T-MOBILE USA, INC. 722   2012-07-25   
831-319 3 Watsonville CA 6529 T-MOBILE USA, INC. 722   2012-05-22   
831-319 6 Watsonville CA 6529 T-MOBILE USA, INC. 722   2014-11-08   
831-319 7 Watsonville CA 6529 T-MOBILE USA, INC. 722   2013-12-16   
831-319 8 Watsonville CA 6529 T-MOBILE USA, INC. 722   2011-08-18   
831-322 7 Watsonville CA 6529 T-MOBILE USA, INC. 722   2016-07-15   
831-322 9 Watsonville CA 6529 T-MOBILE USA, INC. 722   2016-05-02   
831-325 A Santa Cruz CA 5562 METROPCS, INC. 722      
831-325 1 Santa Cruz CA 5562 METROPCS, INC. 722      
831-325 3 Santa Cruz CA 5562 METROPCS, INC. 722      
831-325 4 Santa Cruz CA 5562 METROPCS, INC. 722      
831-325 5 Santa Cruz CA 6529 T-MOBILE USA, INC. 722      
831-325 6 Santa Cruz CA 5562 METROPCS, INC. 722      
831-325 7 Santa Cruz CA 5562 METROPCS, INC. 722      
831-325 8 Santa Cruz CA 5562 METROPCS, INC. 722      
831-325 9 Santa Cruz CA 6529 T-MOBILE USA, INC. 722      
831-346 A Santa Cruz CA 6529 T-MOBILE USA, INC. 722      
831-346 8 Santa Cruz CA 6529 T-MOBILE USA, INC. 722   2015-07-04   
831-346 9 Santa Cruz CA 6529 T-MOBILE USA, INC. 722   2014-11-21   
831-348 1 Watsonville CA 6529 T-MOBILE USA, INC. 722   2021-03-22   
831-348 2 Watsonville CA 6529 T-MOBILE USA, INC. 722   2020-11-20   
831-348 5 Watsonville CA 6529 T-MOBILE USA, INC. 722   2020-08-01   
831-348 8 Watsonville CA 6529 T-MOBILE USA, INC. 722   2020-05-18   
831-353 4 Watsonville CA 6529 T-MOBILE USA, INC. 722   2016-12-09   
831-400 7 Santa Cruz CA 6529 T-MOBILE USA, INC. 722   2017-11-05   
831-400 9 Santa Cruz CA 6529 T-MOBILE USA, INC. 722   2017-08-11   
831-406 A Watsonville CA 6529 T-MOBILE USA, INC. 722      
831-406 0 Watsonville CA 6529 T-MOBILE USA, INC. 722      
831-406 2 Watsonville CA 5562 METROPCS, INC. 722   2010-10-21   
831-406 3 Watsonville CA 5562 METROPCS, INC. 722   2011-06-24   
831-406 4 Watsonville CA 5562 METROPCS, INC. 722   2011-07-14   
831-406 7 Watsonville CA 6529 T-MOBILE USA, INC. 722   2005-10-13   
831-406 8 Watsonville CA 6529 T-MOBILE USA, INC. 722   2015-05-15   
831-406 9 Watsonville CA 6529 T-MOBILE USA, INC. 722      
831-428 A Santa Cruz CA 5562 METROPCS, INC. 722      
831-428 1 Santa Cruz CA 5562 METROPCS, INC. 722   2007-09-18   
831-428 3 Santa Cruz CA 5562 METROPCS, INC. 722   2007-09-18   
831-428 4 Santa Cruz CA 5562 METROPCS, INC. 722   2012-07-27   
831-428 5 Santa Cruz CA 5562 METROPCS, INC. 722      
831-428 6 Santa Cruz CA 5562 METROPCS, INC. 722   2012-07-27   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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