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: TULSOKTBXKY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
918-220 A McAlester OK 6630 USA MOBILITY WIRELESS, INC. 538      
918-643 A Tulsa OK 6630 USA MOBILITY WIRELESS, INC. 538      
918-646 A Tulsa OK 6630 USA MOBILITY WIRELESS, INC. 538      
918-672 A Tulsa OK 6630 USA MOBILITY WIRELESS, INC. 538      
918-761 A Tulsa OK 6630 USA MOBILITY WIRELESS, INC. 538      
918-763 A Tulsa OK 6630 USA MOBILITY WIRELESS, INC. 538      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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