North American Telephone Operator
North American
Telephone Operator

Phone prefix +1-503816

Phone prefix: +1503816
This prefix is distributed within the state Oregon
The largest city within this prefix is Portland, OR
District: Multnomah
The largest organization: New Cingular Wireless PCS
Phone numbers of the state Oregon
Time Zone: Pacific
Winter time: UTC-8
Summer time: UTC-7
The largest city within the prefix of +1-503816.... numbers is shown below Portland, OR.