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 1–18 of 266 listings for this prefix.

New listing Wireless

(720) 400-2479

Denver, Colorado

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

(720) 400-2499

Denver, Colorado

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

(720) 400-2519

Denver, Colorado

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

(720) 400-2539

Denver, Colorado

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

(720) 400-2559

Denver, Colorado

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

(720) 400-2579

Denver, Colorado

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

(720) 400-2599

Denver, Colorado

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

(720) 400-2619

Denver, Colorado

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

(720) 400-2639

Denver, Colorado

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

(720) 400-2659

Denver, Colorado

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

(720) 400-2679

Denver, Colorado

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

(720) 400-2699

Denver, Colorado

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

(720) 400-2719

Denver, Colorado

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

(720) 400-2739

Denver, Colorado

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

(720) 400-2759

Denver, Colorado

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

(720) 400-2779

Denver, Colorado

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

(720) 400-2799

Denver, Colorado

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

(720) 400-2819

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.