River North, Illinois

Central Time Zone (UTC-6) · IL ·

About Area Codes in River North, Illinois

River North, Illinois is served by 4 area codes: 312, 872, 773, 464. When multiple area codes serve the same geographic area, it typically indicates overlay codes have been added to accommodate growing demand for phone numbers. All local calls within River North require 10-digit dialing. The city is in the Central time zone (UTC-6).

Frequently Asked Questions

What area code is River North, Illinois?
River North, Illinois uses area codes 312 and 872 and 773 and 464.
What time zone is River North in?
River North is in the Central time zone (UTC-6).
Do I need to dial 10 digits when calling River North?
Yes, all local calls in River North require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 312 created?
Area code 312 is one of the original 86 area codes established in 1947 as part of the North American Numbering Plan (NANP).
What cities share area code 312 with River North?
Other cities sharing area code 312 with River North include Albany Park, Austin, Avondale, Berwyn, Beverly, among others.

River North, IL · Central Time Zone