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: JNBOARMAX0X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
479-324 0 Russellville AR 425J CSC WIRELESS, LLC 528   2019-06-13   
479-324 7 Russellville AR 425J CSC WIRELESS, LLC 528   2019-06-13   
479-324 8 Russellville AR 425J CSC WIRELESS, LLC 528   2019-07-15   
501-356 A Jessieville AR 425J CSC WIRELESS, LLC 528      
501-356 0 Jessieville AR 425J CSC WIRELESS, LLC 528   2019-06-27   
501-356 2 Jessieville AR 425J CSC WIRELESS, LLC 528   2019-05-12   
870-707 1 Lakeview (Baxter) AR 425J CSC WIRELESS, LLC 528   2019-07-01   
870-707 8 Lakeview (Baxter) AR 425J CSC WIRELESS, LLC 528   2019-06-14   
870-707 9 Lakeview (Baxter) AR 425J CSC WIRELESS, LLC 528   2019-06-14   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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