Decatur

IL Central Standard Time

Decatur is assigned 4 NANP area codes. Compare overlays and cities, then search or buy numbers for this area on PhoneNumbers.com.

Codes: 217, 256, 447, 938

Primary: 217 Geographic Overlays: 447 +3 more
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Quick facts for Decatur, IL

Location
State/Province Illinois (IL)
Time Zone Central Standard Time
Code Details
Overlays

Major Cities in 217

Here are notable cities served by this area code. Click through for local details.

Springfield

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Champaign

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Other Area Codes in Illinois

224
Illinois Overlay
Illinois (IL)
Evanston, Waukegan, Arlington Heights
TZ: CST Type: Geographic Overlays: 847
309
Illinois Overlay
Illinois (IL)
Peoria, Bloomington, Moline
TZ: CST Type: Geographic Overlays: 861
312
Illinois Overlay
Illinois (IL)
Chicago (downtown)
TZ: CST Type: Geographic Overlays: 872
331
Illinois Overlay
Illinois (IL)
Aurora, Naperville, Joliet
TZ: CST Type: Geographic Overlays: 630
464
Illinois Overlay
Illinois (IL)
Aurora, Naperville, Joliet
TZ: CST Type: Geographic Overlays: 708
618
Illinois Overlay
Illinois (IL)
Carbondale, Belleville, Alton
TZ: CST Type: Geographic Overlays: 730
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Frequently asked questions about Decatur

What area codes serve Decatur?

See the area-code cards on this Decatur page for every NANP code assigned here, then open a code for cities, overlays, and local time.

What does an overlay mean for Decatur?

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