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Downers Grove, IL Area Codes

Downers Grove, Illinois (population 50,365) uses area codes 630 and 331.

Area code630
Area code331
Time zoneCentral
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Downers GroveAuroraNapervilleSchaumburgBolingbrookWheatonElmhurstLombardBartlettOswegoCarol StreamStreamwoodHanover ParkDowners Grove
Downers Grove and nearby cities in area code 630

Carriers with Downers Grove numbers

77 prefixes are assigned to the Downers Grove exchange: 19% mobile, 35% VoIP and cable, 45% landline.

CarrierPrefixes
AT&T (Illinois Bell)29
Verizon Wireless12
Verizon Business (MCImetro)7
AT&T (Teleport)7
Onvoy (Sinch)5
Lumen (Level 3)4
AT&T Mobility3
Paetec Itel2

Area codes used in Downers Grove

Area codePrefixes serving Downers GroveMain carriers in this code
63056AT&T (Illinois Bell), AT&T Mobility, T-Mobile
33121Onvoy (Sinch), T-Mobile, Verizon Wireless

Downers Grove phone number prefixes

Numbers starting with these first six digits were originally assigned to the Downers Grove exchange.

Nearby cities in area code 630

Questions

What is the area code for Downers Grove, IL?
Downers Grove uses 2 area codes: 630 and 331. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
What time zone is Downers Grove in?
Downers Grove is in the Central time zone.