Home / Area 503 / Prefix 603
Prefix Lookup

(503) 603 Phone Number Lookup

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

290number listings
0caller reports
17lookup 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 290 listings for this prefix.

Community notes Landline

(503) 603-2652

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-603
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 603-2672

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-603
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 603-2692

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-603
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 603-2712

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-603
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 603-2732

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-603
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 603-2752

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-603
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 603-2772

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-603
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 603-2792

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-603
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 603-2812

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-603
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 603-2832

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-603
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 603-2852

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-603
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 603-2872

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-603
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 603-2892

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-603
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 603-2912

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-603
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 603-2932

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-603
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 603-2952

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-603
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 603-2972

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-603
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(503) 603-2992

Portland, Oregon

  • Carrier: Frontier Communications Northwest Inc. - Or
  • Exchange: 503-603
  • Report type: Reverse lookup profile
View listing

About this prefix

Area code 503 prefix 603 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 503-603, while each listing still maps back to the correct area code and prefix structure.