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.

Kiefer, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
539-264 A TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538      
539-264 0 TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538      
539-264 9 TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538      
539-500 A TULSOKTBXHY  409F ONVOY, LLC - OK 538      
539-500 1 TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538      
539-500 2 TULSOKTBXRZ  073H TELNYX LLC 538      
539-500 3 TULSOKTBXHY  409F ONVOY, LLC - OK 538      
539-500 4 TULSOKTBXHY  409F ONVOY, LLC - OK 538      
539-500 5 TULSOKTBXHY  409F ONVOY, LLC - OK 538      
539-500 6 TULSOKTBXHY  409F ONVOY, LLC - OK 538      
539-500 9 TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538      
918-321 A KIFROKMARS1  9533 SOUTHWESTERN BELL 538      
918-321 0 TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538      
918-321 1 KIFROKMARS1  9533 SOUTHWESTERN BELL 538      
918-321 2 TULSOKTBXKZ  318J COMCAST IP PHONE, LLC 538      
918-321 3 KIFROKMARS1  9533 SOUTHWESTERN BELL 538      
918-321 4 TULSOKTBXHY  409F ONVOY, LLC - OK 538      
918-321 5 KIFROKMARS1  9533 SOUTHWESTERN BELL 538      
918-321 6 TULSOKTBXHY  409F ONVOY, LLC - OK 538      
918-321 7 TULSOKTBXKZ  318J COMCAST IP PHONE, LLC 538      
918-321 8 TLSAOKSMBMD  516C AT&T CORP. 538      
918-321 9   145J TERRA NOVA TELECOM INC. 538      
918-322 A KIFROKMARS1  9533 SOUTHWESTERN BELL 538      
918-322 0 TULSOKTBDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 538      
918-322 1 TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538      
918-322 2 TULSOKTBX8Y  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 538      
918-322 3 KIFROKMARS1  9533 SOUTHWESTERN BELL 538      
918-322 4   5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538      
918-322 5 KIFROKMARS1  9533 SOUTHWESTERN BELL 538      
918-322 6 KIFROKMARS1  9533 SOUTHWESTERN BELL 538      
918-322 7 TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538      
918-322 8 TULSOKTBXKZ  318J COMCAST IP PHONE, LLC 538      
918-322 9 TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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