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: TULSOKTBXKZ

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
539-217 A Sand Springs OK 318J COMCAST IP PHONE, LLC 538      
539-234 A Tahlequah OK 318J COMCAST IP PHONE, LLC 538      
539-308 A Fairfax OK 318J COMCAST IP PHONE, LLC 538   2024-12-27   
539-367 A Broken Arrow OK 318J COMCAST IP PHONE, LLC 538      
539-525 A Tulsa OK 318J COMCAST IP PHONE, LLC 538      
539-664 A Tulsa OK 318J COMCAST IP PHONE, LLC 538      
539-832 A Tulsa OK 318J COMCAST IP PHONE, LLC 538      
918-286 A Broken Arrow OK 318J COMCAST IP PHONE, LLC 538      
918-346 A Tulsa OK 318J COMCAST IP PHONE, LLC 538      
918-392 A Tulsa OK 318J COMCAST IP PHONE, LLC 538      
918-394 A Bixby OK 318J COMCAST IP PHONE, LLC 538      
918-501 A Tulsa OK 318J COMCAST IP PHONE, LLC 538      
918-503 A Muldrow OK 318J COMCAST IP PHONE, LLC 538      
918-539 A Muskogee OK 318J COMCAST IP PHONE, LLC 538      
918-728 A Tulsa OK 318J COMCAST IP PHONE, LLC 538      
918-794 A Tulsa OK 318J COMCAST IP PHONE, LLC 538      
918-893 A Broken Arrow OK 318J COMCAST IP PHONE, LLC 538      
918-923 A Claremore OK 318J COMCAST IP PHONE, LLC 538      
918-940 A Broken Arrow OK 318J COMCAST IP PHONE, LLC 538      
918-943 A Bixby OK 318J COMCAST IP PHONE, LLC 538      
918-947 A Tulsa OK 318J COMCAST IP PHONE, LLC 538      
918-949 A Tulsa OK 318J COMCAST IP PHONE, LLC 538      
918-957 A Broken Arrow OK 318J COMCAST IP PHONE, LLC 538      
918-970 A Bixby OK 318J COMCAST IP PHONE, LLC 538      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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