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
217-350 9 Mount Zion IL 495J STRATUS NETWORKS 374   2020-11-13   
217-484 2 Scottville IL 495J STRATUS NETWORKS 374   2020-11-13   
217-580 3 Mount Pulaski IL 495J STRATUS NETWORKS 374   2020-11-13   
217-674 8 Latham IL 495J STRATUS NETWORKS 374   2020-12-19   
217-795 0 Argenta IL 495J STRATUS NETWORKS 374   2020-11-16   
217-796 8 Chestnut IL 495J STRATUS NETWORKS 374   2020-11-16   
447-946 0 Modesto IL 495J STRATUS NETWORKS 374   2021-12-13   

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

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