Search

Enter 10 Digit Phone Number
phone

Phone Directory 312-784 Detail

State Major City Time Zone
Illinois Chicago Central

Search

Find info about any number instantly!
Enter a 10 digit phone number
Example: (312) 784-5555 or 2012145555

Advertisement

Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-784 Chicago, IL First Communications LLC Cook Landline 07/12/2007

Other Series For Prefixes

312-7840###
312-7841###
312-7842###
312-7843###
312-7844###
312-7845###
312-7846###
312-7847###
312-7848###
312-7849###