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: LTRKARZO7MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
327-227 A Jonesboro AR 321J HD CARRIER LLC 528   2025-10-16   
327-227 7 Jonesboro AR 321J HD CARRIER LLC 528   2025-10-16   
327-227 8 Jonesboro AR 321J HD CARRIER LLC 528   2025-10-16   
501-527 6 Little Rock AR 321J HD CARRIER LLC 528   2025-09-18   
501-559 8 Benton AR 321J HD CARRIER LLC 528   2025-11-27   
501-561 7 Little Rock AR 321J HD CARRIER LLC 528   2025-09-18   
501-576 7 Conway AR 321J HD CARRIER LLC 528   2025-11-27   
501-781 8 Hot Springs AR 321J HD CARRIER LLC 528   2025-11-27   
870-327 4 Jonesboro AR 321J HD CARRIER LLC 528   2026-03-08   
870-558 3 Jonesboro AR 321J HD CARRIER LLC 528   2026-03-08   
870-641 A Jonesboro AR 321J HD CARRIER LLC 528      
870-641 9 Jonesboro AR 321J HD CARRIER LLC 528   2020-12-03   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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