Search

Enter 10 Digit Phone Number
phone

Phone Directory 312-243 Detail

State Major City Time Zone
Illinois Chicago Central

Search

Find info about any number instantly!
Enter a 10 digit phone number
Example: (312) 243-5555 or 2012145555

Advertisement

Area Code Prefixes

Prefix Primary City Company County Usage Introduced
312-243 Chicago, IL Ameritech Illinois Cook Landline 10/11/1997

Other Series For Prefixes

312-2430###
312-2431###
312-2432###
312-2433###
312-2434###
312-2435###
312-2436###
312-2437###
312-2438###
312-2439###