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Phone Directory 503-340 Detail

State Major City Time Zone
Oregon Portland Pacific

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Area Code Prefixes

Prefix Primary City Company County Usage Introduced
503-340 Portland, OR Qwest Corporation Multnomah Landline 02/04/1994

Other Series For Prefixes

503-3400###
503-3401###
503-3402###
503-3403###
503-3404###
503-3405###
503-3406###
503-3407###
503-3408###
503-3409###