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.
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Switch: NLRKAR441MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
501-237 A Lonoke AR 6529 T-MOBILE USA, INC. 528   2011-06-20   
501-442 A Little Rock AR 6529 T-MOBILE USA, INC. 528   2004-03-12   
501-613 A Little Rock AR 6529 T-MOBILE USA, INC. 528      

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

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