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.

Switch: MNTCCAXGRMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
209-510 A Manteca CA 624H ONVOY SPECTRUM, LLC 738      
209-510 5 Manteca CA 624H ONVOY SPECTRUM, LLC 738   2019-12-01   
209-707 4 Manteca CA 624H ONVOY SPECTRUM, LLC 738   2022-05-16   
209-771 1 Modesto CA 624H ONVOY SPECTRUM, LLC 738   2020-11-08   
209-860 7 Modesto CA 624H ONVOY SPECTRUM, LLC 738   2022-02-12   
209-876 5 Modesto CA 624H ONVOY SPECTRUM, LLC 738   2022-03-19   
209-876 6 Modesto CA 624H ONVOY SPECTRUM, LLC 738   2022-03-19   
209-876 7 Modesto CA 624H ONVOY SPECTRUM, LLC 738   2022-03-19   
209-880 1 Manteca CA 624H ONVOY SPECTRUM, LLC 738   2021-11-23   
209-880 2 Manteca CA 624H ONVOY SPECTRUM, LLC 738   2021-11-23   
209-880 6 Manteca CA 624H ONVOY SPECTRUM, LLC 738   2022-03-01   
209-972 2 Manteca CA 624H ONVOY SPECTRUM, LLC 738   2023-10-30   
209-972 3 Manteca CA 624H ONVOY SPECTRUM, LLC 738   2023-10-30   
209-972 4 Manteca CA 624H ONVOY SPECTRUM, LLC 738   2023-10-30   
209-972 5 Manteca CA 624H ONVOY SPECTRUM, LLC 738   2023-10-30   
209-972 6 Manteca CA 624H ONVOY SPECTRUM, LLC 738   2023-10-30   
209-994 1 Ripon CA 624H ONVOY SPECTRUM, LLC 738   2025-01-30   
209-997 0 Farmington CA 624H ONVOY SPECTRUM, LLC 738   2025-01-30   
350-213 8 Linden CA 624H ONVOY SPECTRUM, LLC 738   2025-01-30   
350-215 8 Snelling CA 624H ONVOY SPECTRUM, LLC 738   2025-01-30   
350-253 A Clements CA 624H ONVOY SPECTRUM, LLC 738   2025-03-07   
350-253 0 Clements CA 624H ONVOY SPECTRUM, LLC 738   2025-03-07   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.