Round Lake, IL Area Codes
Round Lake, Illinois (population 18,526) uses area codes 224 and 847.
Carriers with Round Lake numbers
17 prefixes are assigned to the Round Lake exchange: 35% mobile, 41% VoIP and cable, 24% landline.
| Carrier | Prefixes |
|---|---|
| T-Mobile | 6 |
| AT&T (Illinois Bell) | 3 |
| Verizon Business (MCImetro) | 2 |
| Comcast (Xfinity) | 2 |
| Lumen (Level 3) | 2 |
| Onvoy (Sinch) | 1 |
| Fractel | 1 |
Area codes used in Round Lake
| Area code | Prefixes serving Round Lake | Main carriers in this code |
|---|---|---|
| 224 | 12 | T-Mobile, AT&T Mobility, Verizon Wireless |
| 847 | 5 | AT&T (Illinois Bell), AT&T Mobility, Verizon Business (MCImetro) |
Round Lake phone number prefixes
Numbers starting with these first six digits were originally assigned to the Round Lake exchange.
224-270Verizon Business (MCImetro)224-308T-Mobile224-338Comcast (Xfinity)224-390T-Mobile224-473Verizon Business (MCImetro)224-502Onvoy (Sinch)224-540T-Mobile224-577T-Mobile224-757Comcast (Xfinity)224-814T-Mobile224-818T-Mobile224-933Fractel847-201Lumen (Level 3)847-270AT&T (Illinois Bell)847-546AT&T (Illinois Bell)847-740AT&T (Illinois Bell)847-886Lumen (Level 3)
Nearby cities in area code 224
- Elgin
- Waukegan
- Schaumburg
- Evanston
- Arlington Heights
- Skokie
- Palatine
- Des Plaines
- Mount Prospect
- Hoffman Estates
- Glenview
- Buffalo Grove
Questions
- What is the area code for Round Lake, IL?
- Round Lake uses 2 area codes: 224 and 847. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Round Lake in?
- Round Lake is in the Central time zone.