The mobile company can check whether the husband's mobile phone is out of the province.

Yes, you can. The mobile company can inquire about the provinces that the parties have been to within 30 days.

You can't find it in general business halls. Unless you give the public security organ participation, the public security organ will inquire. At present, the positioning error of mobile phone signal is very small, so you can know which building you are in, but the country has clear regulations that you are not allowed to check it without special permission. Edit the short message CXMYD and send it to 10086, and then enter the last four digits of your ID card according to the reply short message to inquire about the provinces and cities you have been to in the past 30 days.