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Winfield, IL Area Codes

Winfield, Illinois (population 10,146) uses area codes 630 and 331.

Area code630
Area code331
Time zoneCentral
Local time now…

Winfield has no telephone exchange of its own in NANPA records; it is served by the Wheaton exchange about 4.4 km away.

WinfieldAuroraNapervilleSchaumburgBolingbrookWheatonDowners GroveElmhurstLombardBartlettOswegoCarol StreamStreamwoodWinfield
Winfield and nearby cities in area code 630

Carriers with Winfield numbers

39 prefixes are assigned to the Wheaton exchange: 13% mobile, 26% VoIP and cable, 62% landline.

CarrierPrefixes
AT&T (Illinois Bell)17
T-Mobile4
Verizon Business (MCImetro)3
Paetec Itel3
AT&T (Teleport)2
Lumen (Level 3)2
Onvoy (Sinch)2
First Communications1

Area codes used in Winfield

Area codePrefixes serving WinfieldMain carriers in this code
63031AT&T (Illinois Bell), AT&T Mobility, T-Mobile
3318Onvoy (Sinch), T-Mobile, Verizon Wireless

Winfield phone number prefixes

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

Nearby cities in area code 630

Questions

What is the area code for Winfield, IL?
Winfield 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 Winfield in?
Winfield is in the Central time zone.