Area code 872, Telephone prefix in Chicago, US.
Area code 872 is a telephone prefix serving Chicago and surrounding communities in Illinois. It operates alongside the older codes 312 and 773, covering neighborhoods such as Harwood Heights and Riverdale.
Area code 872 was introduced on November 7, 2009, to meet the growing demand for telephone numbers in Chicago. This expansion became necessary as existing codes could no longer accommodate the region's needs.
The implementation of area code 872 changed communication patterns in Chicago by requiring residents to dial full 11-digit numbers for local calls.
When calling within Chicago, you may need to dial all 10 digits even for local calls within the same area. The region operates in the Central Time Zone, which is important for coordinating with other time zones.
The service area of code 872 forms part of one of the largest local calling zones in the United States without long-distance charges.
The community of curious travelers
AroundUs brings together thousands of curated places, local tips, and hidden gems, enriched daily by 60,000 contributors worldwide.
