312-452 Prefix — Chicgozn01, Illinois

Phone numbers starting with 312-452 are based in Chicgozn01, Illinois, primarily served by Verizon.

Recently looked-up numbers in 312-452

• 312-452-8716
• 312-452-4497
• 312-452-5688

More about this region

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

Last updated: June 22, 2026