Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 409F ONVOY, LLC - OK

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
918-723 2 Westville OK TULSOKTBXHY  538   2016-09-29   
918-723 7 Westville OK TULSOKTBXHY  538   2016-09-29   
918-725 5 Cushing OK TULSOKTBXHY  538   2021-03-04   
918-725 6 Cushing OK TULSOKTBXHY  538   2021-03-04   
918-727 A Tulsa OK TULSOKTBXHY  538      
918-727 2 Tulsa OK TULSOKTBXHY  538   2019-11-18   
918-727 7 Tulsa OK TULSOKTBXHY  538   2019-12-15   
918-727 8 Tulsa OK TULSOKTBXHY  538   2019-12-15   
918-731 2 Depew OK TULSOKTBXHY  538   2020-07-13   
918-731 3 Depew OK TULSOKTBXHY  538   2020-07-13   
918-731 8 Depew OK TULSOKTBXHY  538   2021-03-04   
918-731 9 Depew OK TULSOKTBXHY  538   2021-03-04   
918-736 5 Haskell OK TULSOKTBXHY  538   2021-02-21   
918-736 6 Haskell OK TULSOKTBXHY  538   2021-02-21   
918-738 8 Ralston OK TULSOKTBXHY  538   2021-06-26   
918-739 9 Catoosa OK TULSOKTBXHY  538   2025-03-08   
918-762 9 Pawnee OK TULSOKTBXHY  538   2022-04-23   
918-771 2 Bristow OK TULSOKTBXHY  538   2016-09-29   
918-771 6 Bristow OK TULSOKTBXHY  538   2016-04-06   
918-771 7 Bristow OK TULSOKTBXHY  538   2016-04-06   
918-771 9 Bristow OK TULSOKTBXHY  538   2016-09-29   
918-777 4 Okmulgee OK TULSOKTBXHY  538   2011-03-20   
918-777 7 Okmulgee OK TULSOKTBXHY  538   2011-03-20   
918-789 4 Chelsea OK TULSOKTBXHY  538   2016-09-29   
918-796 A Tulsa OK TULSOKTBXHY  538      
918-796 2 Tulsa OK TULSOKTBXHY  538      
918-796 3 Tulsa OK TULSOKTBXHY  538      
918-796 8 Tulsa OK TULSOKTBXHY  538      
918-796 9 Tulsa OK TULSOKTBXHY  538      
918-800 0 Catoosa OK TULSOKTBXHY  538   2017-10-09   
918-800 2 Catoosa OK TULSOKTBXHY  538   2018-04-09   
918-800 5 Catoosa OK TULSOKTBXHY  538   2025-09-28   
918-800 8 Catoosa OK TULSOKTBXHY  538   2017-10-09   
918-801 4 Grove OK TULSOKTBXHY  538   2016-09-29   
918-801 9 Grove OK TULSOKTBXHY  538   2016-09-29   
918-818 2 Delaware OK TULSOKTBXHY  538   2020-07-13   
918-818 3 Delaware OK TULSOKTBXHY  538   2020-07-13   
918-818 7 Delaware OK TULSOKTBXHY  538   2021-03-04   
918-818 8 Delaware OK TULSOKTBXHY  538   2021-03-04   
918-819 7 New Home OK LTRKARFRXLY  528   2016-03-28   
918-819 8 New Home OK LTRKARFRXLY  528   2016-03-28   
918-820 3 McAlester OK TULSOKTBXHY  538   2018-12-03   
918-820 4 McAlester OK TULSOKTBXHY  538   2018-12-03   
918-840 5 Muskogee OK TULSOKTBXHY  538   2018-04-07   
918-842 2 South Coffeyville OK WCHTKSBRX0X  532   2020-07-10   
918-842 3 South Coffeyville OK WCHTKSBRX0X  532   2020-07-10   
918-842 7 South Coffeyville OK WCHTKSBRX0X  532   2021-06-26   
918-842 8 South Coffeyville OK WCHTKSBRX0X  532   2021-05-28   
918-842 9 South Coffeyville OK WCHTKSBRX0X  532   2021-04-26   
918-844 7 Drumright OK TULSOKTBXHY  538   2016-09-29   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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