312-500 Prefix — Chicgozn04, Illinois

Phone numbers starting with 312-500 are based in Chicgozn04, Illinois, primarily served by Ip Horizon, LLC.

Recently looked-up numbers in 312-500

• 312-500-7173

More about this region

Area code 312 directory · About area code 312 · Get a IL phone number

Last updated: June 12, 2026