0428 is not a country code. Numbers inside a country start like this: Tuniceli (Türkiye), Raseiniai (Lithuania), Telstra (Australia), Polewali (Indonesia) and others. The first digit 0 is the trunk prefix for domestic calls and is dropped from abroad.
Have the full number? Check it in the number lookup.
| Area or operator | From abroad | Inside the country |
|---|---|---|
 Tuniceli · Türkiye | +90 428 … | 0428 … |
 Raseiniai · Lithuania | +370 428 … | 0428 … |
 Telstra · Australia | +61 428 … | 0428 … |
 Polewali · Indonesia | +62 428 … | 0428 … |
 Ome, Tokyo · Japan | +81 428 … | 0428 … |
If a number starts with +, the first 1–3 digits are the country code. If it starts with 0 (8 in Russia and Kazakhstan), it is a domestic number: an area or operator code follows, and from abroad the 0 or 8 is replaced with + and the country code. The same digits can mean different places, so where the call came from matters.