Area Code 861

Illinois (IL) • Peoria, Bloomington, Galesburg, Abingdon, Adair, Albany, Aledo, Alexis • Central Time (CT)

What Stands Out

•Coverage: 894.7K people across 214 ZIP codes.
•Overlapping area codes: 309.
•Major cities: Peoria, Bloomington, Galesburg.

Spotlight: Coverage

Snapshot highlights for area code 861.

Income

53rd

Home values

32nd

Poverty rate

60th

Area Code Basics

Primary State

Illinois (IL)

States Served

Illinois (IL)

Major Cities

Peoria, Bloomington, Galesburg, Abingdon, Adair, Albany, Aledo, Alexis

Time Zone(s)

Central Time (CT)

Est. Population

894.7K

ZIP Codes

214

Data accuracy & methodology

This report aggregates 2020–2024 ACS 5-year estimates and geographic overlays for orientation. Area-code service areas can cross ZIP/state boundaries and change over time; verify official assignments with NANPA for critical use.