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Phone Directory 503-331 Detail

State Major City Time Zone
Oregon Portland Pacific

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Example: (503) 331-5555 or 2012145555

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
503-331 Portland, OR Qwest Corporation Multnomah Landline 02/04/1994

Other Series For Prefixes

503-3310###
503-3311###
503-3312###
503-3313###
503-3314###
503-3315###
503-3316###
503-3317###
503-3318###
503-3319###