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: WLLWOKXARS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
580-287 A Willow OK 2025 SOUTHWEST OKLAHOMA TEL. CO. 536      
580-287 0 Willow OK 2025 SOUTHWEST OKLAHOMA TEL. CO. 536      
580-287 1 Willow OK 2025 SOUTHWEST OKLAHOMA TEL. CO. 536      
580-287 2 Willow OK 2025 SOUTHWEST OKLAHOMA TEL. CO. 536      
580-287 3 Willow OK 2025 SOUTHWEST OKLAHOMA TEL. CO. 536      
580-287 5 Willow OK 2025 SOUTHWEST OKLAHOMA TEL. CO. 536      
580-287 6 Willow OK 2025 SOUTHWEST OKLAHOMA TEL. CO. 536      
580-287 7 Willow OK 2025 SOUTHWEST OKLAHOMA TEL. CO. 536      
580-287 8 Willow OK 2025 SOUTHWEST OKLAHOMA TEL. CO. 536      
580-287 9 Willow OK 2025 SOUTHWEST OKLAHOMA TEL. CO. 536      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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