Phone prefix +1 (503) 928-XXXX
Phone prefix: +1503928
This prefix is distributed within the state Oregon
The largest city within this prefix is Portland, OR
District: Not defined
The largest organization: New Cingular Wireless PCS
Time Zone: Pacific
Winter time: UTC-8
Summer time: UTC-7
The largest city within the prefix of +1 (503) 928-XXXX numbers is shown below
Portland, OR.