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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
209-553 3 Thornton CA 649C ONVOY, LLC - CA 738   2013-03-23   
209-553 4 Thornton CA 649C ONVOY, LLC - CA 738   2019-03-08   
209-553 6 Thornton CA 649C ONVOY, LLC - CA 738   2013-03-24   
209-553 7 Thornton CA 649C ONVOY, LLC - CA 738   2019-03-08   
209-554 A Modesto CA 649C ONVOY, LLC - CA 738      
209-557 8 Modesto CA 649C ONVOY, LLC - CA 738   2026-05-02   
209-560 A Sutter Creek CA 649C ONVOY, LLC - CA 738      
209-560 4 Sutter Creek CA 649C ONVOY, LLC - CA 738   2019-03-08   
209-560 7 Sutter Creek CA 649C ONVOY, LLC - CA 738   2019-03-08   
209-560 8 Sutter Creek CA 649C ONVOY, LLC - CA 738   2013-03-23   
209-565 6 Stockton CA 649C ONVOY, LLC - CA 738   2009-09-15   
209-580 0 Merced CA 649C ONVOY, LLC - CA 738      
209-580 1 Merced CA 649C ONVOY, LLC - CA 738      
209-580 2 Merced CA 649C ONVOY, LLC - CA 738      
209-580 3 Merced CA 649C ONVOY, LLC - CA 738      
209-583 0 Wallace CA 649C ONVOY, LLC - CA 738   2021-03-04   
209-583 3 Wallace CA 649C ONVOY, LLC - CA 738   2019-03-08   
209-583 6 Wallace CA 649C ONVOY, LLC - CA 738   2021-03-04   
209-583 7 Wallace CA 649C ONVOY, LLC - CA 738   2021-03-04   
209-583 8 Wallace CA 649C ONVOY, LLC - CA 738   2019-03-08   
209-583 9 Wallace CA 649C ONVOY, LLC - CA 738   2014-09-08   
209-584 3 Valley Springs CA 649C ONVOY, LLC - CA 738   2013-03-23   
209-584 6 Valley Springs CA 649C ONVOY, LLC - CA 738   2013-03-24   
209-588 7 Sonora: Main DA CA 649C ONVOY, LLC - CA 738   2013-03-24   
209-589 A Modesto CA 649C ONVOY, LLC - CA 738   2025-01-12   
209-589 0 Modesto CA 649C ONVOY, LLC - CA 738   2009-02-19   
209-589 9 Modesto CA 649C ONVOY, LLC - CA 738   2009-09-14   
209-593 A Modesto CA 649C ONVOY, LLC - CA 738      
209-593 0 Modesto CA 649C ONVOY, LLC - CA 738      
209-593 1 Modesto CA 649C ONVOY, LLC - CA 738      
209-593 2 Modesto CA 649C ONVOY, LLC - CA 738      
209-593 3 Modesto CA 649C ONVOY, LLC - CA 738      
209-593 4 Modesto CA 649C ONVOY, LLC - CA 738      
209-593 5 Modesto CA 649C ONVOY, LLC - CA 738      
209-593 6 Modesto CA 649C ONVOY, LLC - CA 738      
209-593 7 Modesto CA 649C ONVOY, LLC - CA 738      
209-600 A Merced CA 649C ONVOY, LLC - CA 738      
209-600 0 Merced CA 649C ONVOY, LLC - CA 738   2012-09-17   
209-600 6 Merced CA 649C ONVOY, LLC - CA 738   2012-09-17   
209-600 7 Merced CA 649C ONVOY, LLC - CA 738   2013-03-25   
209-618 1 Modesto CA 649C ONVOY, LLC - CA 738   2019-06-17   
209-618 2 Modesto CA 649C ONVOY, LLC - CA 738   2019-06-17   
209-619 2 Los Banos CA 649C ONVOY, LLC - CA 738   2021-07-12   
209-619 3 Los Banos CA 649C ONVOY, LLC - CA 738   2021-07-12   
209-619 4 Los Banos CA 649C ONVOY, LLC - CA 738   2021-07-12   
209-619 5 Los Banos CA 649C ONVOY, LLC - CA 738   2021-07-12   
209-621 0 Hughson CA 649C ONVOY, LLC - CA 738   2021-07-11   
209-621 2 Hughson CA 649C ONVOY, LLC - CA 738   2019-03-07   
209-621 3 Hughson CA 649C ONVOY, LLC - CA 738   2021-07-11   
209-621 6 Hughson CA 649C ONVOY, LLC - CA 738   2019-03-07   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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