Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Chelsea, OK

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
539-207 A TULSOKTBX8Y  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 538      
539-207 0 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2021-09-11   
539-207 1 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2021-09-11   
539-207 2 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2020-07-13   
539-207 3 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2020-07-13   
539-207 4 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2021-03-04   
539-207 5 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2021-03-04   
539-207 6 TULSOKTBX8Y  530C TELEPORT COMMUNICATIONS AMERICA OK - LLC 538   2017-01-09   
539-207 7 TULSOKTBX6Z  508J CENTURYLINK COMMUNICATIONS, LLC 538   2017-02-16   
539-207 9 TULSOKTBX5Z  073H TELNYX LLC 538   2019-01-21   
539-267 A TULSOKTBXHY  409F ONVOY, LLC - OK 538      
539-267 0 TULSOKTBXRZ  073H TELNYX LLC 538   2022-01-18   
539-267 3 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2022-01-17   
539-267 4 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2022-01-17   
539-267 7 TULSOKTBXHZ  516J TON80 COMMUNICATIONS, LLC 538   2022-02-03   
539-267 9 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2022-12-16   
918-789 A CHLSOKMARS1  9533 SOUTHWESTERN BELL 538      
918-789 0 TULSOKTBXFY  119F BANDWIDTH.COM CLEC, LLC - OK 538   2008-12-01   
918-789 1 CHLSOKMARS1  9533 SOUTHWESTERN BELL 538      
918-789 2 CHLSOKMARS1  9533 SOUTHWESTERN BELL 538      
918-789 3 CHLSOKMARS1  9533 SOUTHWESTERN BELL 538      
918-789 4 TULSOKTBXHY  409F ONVOY, LLC - OK 538   2016-09-29   
918-789 5   145J TERRA NOVA TELECOM INC. 538   2020-12-15   
918-789 6 TLSAOKSMBMD  516C AT&T CORP. 538   2010-11-28   
918-789 7 VINTOK20DS0  945H NORTHEAST RURAL SERVICES, INC. - OK 538   2009-10-26   
918-789 8 TULTOKCL8MD  5257 LEVEL 3 COMMUNICATIONS, LLC - OK 538   2014-06-01   
918-789 9 TULSOKTBDS7  384H PEERLESS NETWORK OF OKLAHOMA, LLC - OK 538   2016-03-05   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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