Can Shanghai health code be used in Ningbo?

Of course. According to relevant data, Shanghai health code can be used in Ningbo. Health codes in Shanghai can be used in other places. The health codes of some provinces and cities are mutually recognized and interconnected with those of Shanghai. Therefore, as long as the health code in Shanghai is a green horse, it can be used in some interconnected cities or provinces and cities. Similarly, Shanghai will also recognize some corresponding health codes in these provinces and cities in a reciprocal way.