Dyer, IN Area Codes
Dyer is served by area code 219. It is in Indiana, Lake County. About 23,321 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 219 |
| State / province | Indiana |
| County | Lake County |
| Population | 23,321 |
| ZIP codes | 1 |
| Time zone | Central |
| Coordinates | 41.4684, -87.5092 |
What area code is Dyer in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 219 | Indiana | 841,350 | — |
ZIP codes in the code footprint
Nearby towns and their area codes
Saint John 219Schererville 219Munster 219Griffith 219Highland 219Cedar Lake 219Hammond 219Merrillville 219
How to dial
Dial 219 + 7 digits for a number in Dyer, or +1 219 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.