# area codes 309 and 861

> Telephone area codes in Illinois, United States

**Wikidata**: [Q4788568](https://www.wikidata.org/wiki/Q4788568)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Area_codes_309_and_861)  
**Source**: https://4ort.xyz/entity/area-codes-309-and-861