Home / Area 312 / Prefix 204
Prefix Lookup

(312) 204 Phone Number Lookup

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

138number listings
0caller reports
8lookup 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 127–138 of 138 listings for this prefix.

Community notes Landline

(312) 204-2467

Chicago, Illinois

  • Carrier: Ameritech Illinois
  • Exchange: 312-204
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(312) 204-2487

Chicago, Illinois

  • Carrier: Ameritech Illinois
  • Exchange: 312-204
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(312) 204-2507

Chicago, Illinois

  • Carrier: Ameritech Illinois
  • Exchange: 312-204
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(312) 204-2527

Chicago, Illinois

  • Carrier: Ameritech Illinois
  • Exchange: 312-204
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(312) 204-2547

Chicago, Illinois

  • Carrier: Ameritech Illinois
  • Exchange: 312-204
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(312) 204-2567

Chicago, Illinois

  • Carrier: Ameritech Illinois
  • Exchange: 312-204
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(312) 204-2587

Chicago, Illinois

  • Carrier: Ameritech Illinois
  • Exchange: 312-204
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(312) 204-2607

Chicago, Illinois

  • Carrier: Ameritech Illinois
  • Exchange: 312-204
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(312) 204-2627

Chicago, Illinois

  • Carrier: Ameritech Illinois
  • Exchange: 312-204
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(312) 204-2647

Chicago, Illinois

  • Carrier: Ameritech Illinois
  • Exchange: 312-204
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(312) 204-2667

Chicago, Illinois

  • Carrier: Ameritech Illinois
  • Exchange: 312-204
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(312) 204-2687

Chicago, Illinois

  • Carrier: Ameritech Illinois
  • Exchange: 312-204
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(312) 204-2707

Chicago, Illinois

  • Carrier: Ameritech Illinois
  • Exchange: 312-204
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(312) 204-2727

Chicago, Illinois

  • Carrier: Ameritech Illinois
  • Exchange: 312-204
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(312) 204-2747

Chicago, Illinois

  • Carrier: Ameritech Illinois
  • Exchange: 312-204
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(312) 204-2767

Chicago, Illinois

  • Carrier: Ameritech Illinois
  • Exchange: 312-204
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(312) 204-2787

Chicago, Illinois

  • Carrier: Ameritech Illinois
  • Exchange: 312-204
  • Report type: Reverse lookup profile
View listing
Community notes Landline

(312) 204-2807

Chicago, Illinois

  • Carrier: Ameritech Illinois
  • Exchange: 312-204
  • Report type: Reverse lookup profile
View listing

About this prefix

Area code 312 prefix 204 is organized as a reverse lookup section for Chicago, Illinois. The page combines location metadata, carrier information, line type, number listings, and community activity in one place.

Public URLs use the exchange format 312-204, while each listing still maps back to the correct area code and prefix structure.