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: RSNRIA02DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
641-317 A Kanawha IA 860F GREENWAY COMMUNICATIONS L.L.C. - IA 632      
641-317 0 Kanawha IA 860F GREENWAY COMMUNICATIONS L.L.C. - IA 632   2011-06-13   
641-317 1 Kanawha IA 860F GREENWAY COMMUNICATIONS L.L.C. - IA 632   2011-06-13   
641-441 A Klemme IA 860F GREENWAY COMMUNICATIONS L.L.C. - IA 632      
641-441 1 Klemme IA 860F GREENWAY COMMUNICATIONS L.L.C. - IA 632   2019-10-27   
641-441 2 Klemme IA 860F GREENWAY COMMUNICATIONS L.L.C. - IA 632   2019-10-27   
641-796 0 Reasnor IA 860F GREENWAY COMMUNICATIONS L.L.C. - IA 632   2025-08-13   
641-796 6 Reasnor IA 860F GREENWAY COMMUNICATIONS L.L.C. - IA 632   2025-08-13   
641-796 7 Reasnor IA 860F GREENWAY COMMUNICATIONS L.L.C. - IA 632   2025-08-13   
641-796 8 Reasnor IA 860F GREENWAY COMMUNICATIONS L.L.C. - IA 632   2025-08-13   
641-796 9 Reasnor IA 860F GREENWAY COMMUNICATIONS L.L.C. - IA 632   2025-08-13   

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

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