Search

Enter 10 Digit Phone Number
phone

Phone Directory 312-812 Detail

State Major City Time Zone
Illinois Chicago Central

Search

Find info about any number instantly!
Enter a 10 digit phone number
Example: (312) 812-5555 or 2012145555

Advertisement

Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-812 Chicago, IL Ameritech Illinois Cook Cell Number 02/04/1994

Other Series For Prefixes

312-8120###
312-8121###
312-8122###
312-8123###
312-8124###
312-8125###
312-8126###
312-8127###
312-8128###
312-8129###