Area Codes in Krefeld
| Area Code▲ | City↕ | Administrative Region↕ | City Population↕ | Country/Region | Timezone |
|---|---|---|---|---|---|
| 2151 | Duisburg | North Rhine-Westphalia | 504,358 | Germany | Europe/Berlin |
Nearby Cities
| City | Region | Country | Population | Area Codes | Postal Codes |
|---|---|---|---|---|---|
| Kaarst | North Rhine-Westphalia | Germany | 42,112 | 2131, 2161 | 41564 |
| Meerbusch | North Rhine-Westphalia | Germany | 54,826 | 2159, 2150, 2132 | 40667, 40668, 40670 |
| Neukirchen-Vluyn | North Rhine-Westphalia | Germany | — | 2845 | — |
| Tönisvorst | North Rhine-Westphalia | Germany | 30,296 | 2152, 2151, 2158, 2156 | 47918 |
| Willich | North Rhine-Westphalia | Germany | 51,843 | 2161, 2154, 2156, 2159 | 47877 |