Home / Area 303 / Prefix 399
Prefix Lookup

(303) 399 Phone Number Lookup

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

234number 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 19–36 of 234 listings for this prefix.

Low activity Landline

(303) 399-8303

Denver, Colorado

  • Carrier: Qwest Corporation
  • Exchange: 303-399
  • Report type: Reverse lookup profile
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Low activity Landline

(303) 399-8323

Denver, Colorado

  • Carrier: Qwest Corporation
  • Exchange: 303-399
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(303) 399-8343

Denver, Colorado

  • Carrier: Qwest Corporation
  • Exchange: 303-399
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(303) 399-8363

Denver, Colorado

  • Carrier: Qwest Corporation
  • Exchange: 303-399
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(303) 399-8383

Denver, Colorado

  • Carrier: Qwest Corporation
  • Exchange: 303-399
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(303) 399-8403

Denver, Colorado

  • Carrier: Qwest Corporation
  • Exchange: 303-399
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(303) 399-8423

Denver, Colorado

  • Carrier: Qwest Corporation
  • Exchange: 303-399
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(303) 399-8443

Denver, Colorado

  • Carrier: Qwest Corporation
  • Exchange: 303-399
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(303) 399-8463

Denver, Colorado

  • Carrier: Qwest Corporation
  • Exchange: 303-399
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(303) 399-8483

Denver, Colorado

  • Carrier: Qwest Corporation
  • Exchange: 303-399
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(303) 399-8503

Denver, Colorado

  • Carrier: Qwest Corporation
  • Exchange: 303-399
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(303) 399-8523

Denver, Colorado

  • Carrier: Qwest Corporation
  • Exchange: 303-399
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(303) 399-8543

Denver, Colorado

  • Carrier: Qwest Corporation
  • Exchange: 303-399
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(303) 399-8563

Denver, Colorado

  • Carrier: Qwest Corporation
  • Exchange: 303-399
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(303) 399-8583

Denver, Colorado

  • Carrier: Qwest Corporation
  • Exchange: 303-399
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(303) 399-8603

Denver, Colorado

  • Carrier: Qwest Corporation
  • Exchange: 303-399
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(303) 399-8623

Denver, Colorado

  • Carrier: Qwest Corporation
  • Exchange: 303-399
  • Report type: Reverse lookup profile
View listing
Low activity Landline

(303) 399-8643

Denver, Colorado

  • Carrier: Qwest Corporation
  • Exchange: 303-399
  • Report type: Reverse lookup profile
View listing

About this prefix

Area code 303 prefix 399 is organized as a reverse lookup section for Denver, Colorado. The page combines location metadata, carrier information, line type, number listings, and community activity in one place.

Public URLs use the exchange format 303-399, while each listing still maps back to the correct area code and prefix structure.