Home / Area 503 / Prefix 531
Prefix Lookup

(503) 531 Phone Number Lookup

Research phone numbers under this exchange in Portland, Oregon. Review carrier details, activity signals, and community caller feedback.

217number listings
0caller reports
13lookup pages

Phone Numbers in This Prefix

Browse numbers in this exchange and open any listing to view caller details, spam signals, and community feedback. Showing 1–18 of 217 listings for this prefix.

Community notes Landline

(503) 531-3847

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-531
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 531-3867

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-531
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 531-3887

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-531
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 531-3907

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-531
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 531-3927

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-531
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 531-3947

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-531
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 531-3967

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-531
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 531-3987

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-531
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 531-4007

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-531
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 531-4027

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-531
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 531-4047

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-531
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 531-4067

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-531
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 531-4087

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-531
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 531-4107

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-531
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 531-4127

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-531
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 531-4147

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-531
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 531-4167

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-531
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 531-4187

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-531
  • Report type: Reverse lookup profile
View listing

About this prefix

Area code 503 prefix 531 is organized as a reverse lookup section for Portland, Oregon. The page combines location metadata, carrier information, line type, number listings, and community activity in one place.

Public URLs use the exchange format 503-531, while each listing still maps back to the correct area code and prefix structure.