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: SHPTLAMA19Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
318-280 6 Winnsboro LA 145J TERRA NOVA TELECOM INC. 486   2026-07-06   
318-298 A Greenwood LA 145J TERRA NOVA TELECOM INC. 486      
318-660 0 Springhill LA 145J TERRA NOVA TELECOM INC. 486   2026-01-04   
318-691 5 Minden LA 145J TERRA NOVA TELECOM INC. 486   2026-04-30   
318-696 A Pleasant Hill LA 145J TERRA NOVA TELECOM INC. 486      
318-779 9 Shreveport LA 145J TERRA NOVA TELECOM INC. 486   2026-04-30   
318-944 A Shreveport LA 145J TERRA NOVA TELECOM INC. 486      

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

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