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West Chicago, IL Area Codes
West Chicago, Illinois (population 25,296) uses area codes 630 and 331.
Carriers with West Chicago numbers
28 prefixes are assigned to the West Chicago exchange: 43% mobile, 32% VoIP and cable, 25% landline.
| Carrier | Prefixes |
|---|---|
| AT&T Mobility | 10 |
| AT&T (Illinois Bell) | 4 |
| Onvoy (Sinch) | 3 |
| Lumen (Level 3) | 2 |
| T-Mobile | 2 |
| Comcast (Xfinity) | 1 |
| AT&T (Teleport) | 1 |
| Paetec Itel | 1 |
Area codes used in West Chicago
| Area code | Prefixes serving West Chicago | Main carriers in this code |
|---|---|---|
| 630 | 20 | AT&T (Illinois Bell), AT&T Mobility, T-Mobile |
| 331 | 8 | Onvoy (Sinch), T-Mobile, Verizon Wireless |
West Chicago phone number prefixes
Numbers starting with these first six digits were originally assigned to the West Chicago exchange.
630-206Lumen (Level 3)630-231AT&T (Illinois Bell)630-234AT&T Mobility630-251AT&T Mobility630-293AT&T (Illinois Bell)630-346AT&T Mobility630-386AT&T Mobility630-414AT&T Mobility630-440T-Mobile630-473Comcast (Xfinity)630-520AT&T (Teleport)630-562AT&T (Illinois Bell)630-621Lumen (Level 3)630-639Paetec Itel630-779AT&T Mobility630-815AT&T Mobility630-818Verizon Business (MCImetro)630-876AT&T (Illinois Bell)630-877AT&T Mobility630-957First Communications331-232AT&T Mobility331-240Peerless Network331-344Onvoy (Sinch)331-465AT&T Mobility331-703T-Mobile331-800Onvoy (Sinch)331-837Ton80 Communications331-871Onvoy (Sinch)
Nearby cities in area code 630
- Aurora
- Naperville
- Schaumburg
- Bolingbrook
- Wheaton
- Downers Grove
- Elmhurst
- Lombard
- Bartlett
- Oswego
- Carol Stream
- Streamwood
Questions
- What is the area code for West Chicago, IL?
- West Chicago 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 West Chicago in?
- West Chicago is in the Central time zone.