Search

Enter 10 Digit Phone Number
phone

Phone Directory 312-789 Detail

State Major City Time Zone
Illinois Chicago Central

Search

Advertisement

Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-789 Chicago, IL Ameritech Illinois Cook Landline 02/04/1994

Other Series For Prefixes

312-7890###
312-7891###
312-7892###
312-7893###
312-7894###
312-7895###
312-7896###
312-7897###
312-7898###
312-7899###