Highland, IL Area Code
Highland, Illinois (population 10,042) uses area code 618.
Carriers with Highland numbers
5 prefixes are assigned to the Highland exchange: 0% mobile, 20% VoIP and cable, 80% landline.
| Carrier | Prefixes |
|---|---|
| Metropcs | 2 |
| Frontier | 2 |
| Lumen (Level 3) | 1 |
Area codes used in Highland
| Area code | Prefixes serving Highland | Main carriers in this code |
|---|---|---|
| 618 | 5 | Frontier, AT&T (Illinois Bell), AT&T Mobility |
Highland phone number prefixes
Numbers starting with these first six digits were originally assigned to the Highland exchange.
618-404Metropcs618-651Frontier618-654Frontier618-701Metropcs618-882Lumen (Level 3)
Nearby cities in area code 618
- Belleville
- Carpentersville
- O'Fallon
- Granite City
- Edwardsville
- Alton
- Collinsville
- Carbondale
- East St. Louis
- Godfrey
- Marion
- Cahokia Heights
Questions
- What is the area code for Highland, IL?
- The area code for Highland, Illinois is 618.
- What time zone is Highland in?
- Highland is in the Central time zone.