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.

OCN: 883K AHOI LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
214-203 3 Cedar Hill TX   552   2025-12-17   
214-260 7 Irving TX   552   2025-12-17   
214-472 9 Frisco TX   552   2025-12-17   
214-667 9 Allen TX   552   2025-12-11   
303-823 3 Allens Park-Lyons CO   656   2025-12-07   
346-893 A Houston TX   560   2025-11-21   
346-893 4 Houston TX   560   2025-11-21   
409-438 A Sour Lake TX   562   2026-01-04   
409-438 2 Sour Lake TX   562   2026-01-04   
409-587 A Silsbee TX   562   2026-01-08   
409-587 8 Silsbee TX   562   2026-01-08   
719-899 A Colorado Springs-Main CO   658   2026-01-09   
719-899 9 Colorado Springs-Main CO   658   2026-01-09   
915-438 A Canutillo TX   540   2026-01-04   
915-438 2 Canutillo TX   540   2026-01-04   
940-587 A Iowa Park TX   548   2026-01-08   
940-587 8 Iowa Park TX   548   2026-01-08   
983-227 A Fort Lupton CO   656   2026-01-09   
983-227 4 Fort Lupton CO   656   2026-01-09   
983-900 A Denver CO   656   2026-01-04   
983-900 0 Denver CO   656   2026-01-04   

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

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