312-764 Prefix — Chicgozn01, Illinois

Phone numbers starting with 312-764 are based in Chicgozn01, Illinois, primarily served by Verizon.

Recently looked-up numbers in 312-764

• 312-764-2969

More about this region

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

Last updated: May 28, 2026