Phone prefix +1-918231
Phone prefix: +1918231
This prefix is distributed within the state Oklahoma
The largest city within this prefix is Tulsa, OK
District: Tulsa
The largest organization: New Cingular Wireless PCS - IL
Time Zone: Central
Winter time: UTC-6
Summer time: UTC-5
The largest city within the prefix of +1-918231.... numbers is shown below
Tulsa, OK.