Home / Area 720 / Prefix 400
Prefix Lookup

(720) 400 Phone Number Lookup

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

266number listings
0caller reports
15lookup 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 266 listings for this prefix.

New listing Wireless

(720) 400-2839

Denver, Colorado

  • Carrier: T-mobile Usa Inc.
  • Exchange: 720-400
  • Report type: Reverse lookup profile
View listing
New listing Wireless

(720) 400-2859

Denver, Colorado

  • Carrier: T-mobile Usa Inc.
  • Exchange: 720-400
  • Report type: Reverse lookup profile
View listing
New listing Wireless

(720) 400-2879

Denver, Colorado

  • Carrier: T-mobile Usa Inc.
  • Exchange: 720-400
  • Report type: Reverse lookup profile
View listing
New listing Wireless

(720) 400-2899

Denver, Colorado

  • Carrier: T-mobile Usa Inc.
  • Exchange: 720-400
  • Report type: Reverse lookup profile
View listing
New listing Wireless

(720) 400-2919

Denver, Colorado

  • Carrier: T-mobile Usa Inc.
  • Exchange: 720-400
  • Report type: Reverse lookup profile
View listing
New listing Wireless

(720) 400-2939

Denver, Colorado

  • Carrier: T-mobile Usa Inc.
  • Exchange: 720-400
  • Report type: Reverse lookup profile
View listing
New listing Wireless

(720) 400-2959

Denver, Colorado

  • Carrier: T-mobile Usa Inc.
  • Exchange: 720-400
  • Report type: Reverse lookup profile
View listing
New listing Wireless

(720) 400-2979

Denver, Colorado

  • Carrier: T-mobile Usa Inc.
  • Exchange: 720-400
  • Report type: Reverse lookup profile
View listing
New listing Wireless

(720) 400-2999

Denver, Colorado

  • Carrier: T-mobile Usa Inc.
  • Exchange: 720-400
  • Report type: Reverse lookup profile
View listing
New listing Wireless

(720) 400-3019

Denver, Colorado

  • Carrier: T-mobile Usa Inc.
  • Exchange: 720-400
  • Report type: Reverse lookup profile
View listing
New listing Wireless

(720) 400-3039

Denver, Colorado

  • Carrier: T-mobile Usa Inc.
  • Exchange: 720-400
  • Report type: Reverse lookup profile
View listing
New listing Wireless

(720) 400-3059

Denver, Colorado

  • Carrier: T-mobile Usa Inc.
  • Exchange: 720-400
  • Report type: Reverse lookup profile
View listing
New listing Wireless

(720) 400-3079

Denver, Colorado

  • Carrier: T-mobile Usa Inc.
  • Exchange: 720-400
  • Report type: Reverse lookup profile
View listing
New listing Wireless

(720) 400-3099

Denver, Colorado

  • Carrier: T-mobile Usa Inc.
  • Exchange: 720-400
  • Report type: Reverse lookup profile
View listing
New listing Wireless

(720) 400-3119

Denver, Colorado

  • Carrier: T-mobile Usa Inc.
  • Exchange: 720-400
  • Report type: Reverse lookup profile
View listing
New listing Wireless

(720) 400-3139

Denver, Colorado

  • Carrier: T-mobile Usa Inc.
  • Exchange: 720-400
  • Report type: Reverse lookup profile
View listing
New listing Wireless

(720) 400-3159

Denver, Colorado

  • Carrier: T-mobile Usa Inc.
  • Exchange: 720-400
  • Report type: Reverse lookup profile
View listing
New listing Wireless

(720) 400-3179

Denver, Colorado

  • Carrier: T-mobile Usa Inc.
  • Exchange: 720-400
  • Report type: Reverse lookup profile
View listing

About this prefix

Area code 720 prefix 400 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 720-400, while each listing still maps back to the correct area code and prefix structure.