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
573-935 7 Dexter MO 6529 T-MOBILE USA, INC. 520   2021-10-23   
573-935 8 Dexter MO 6529 T-MOBILE USA, INC. 520   2021-10-23   
573-935 9 Dexter MO 6529 T-MOBILE USA, INC. 520   2021-10-23   
573-963 2 New Madrid MO 6529 T-MOBILE USA, INC. 520   2021-09-17   
573-963 5 New Madrid MO 6529 T-MOBILE USA, INC. 520   2021-03-10   

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Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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