MobInfo

lookup ISP and geo info (province, city etc) for mobile number in China

Add this line to your application's Gemfile:

gem 'mobinfo'

And then execute:

$ bundle

Or install it yourself as:

$ gem install mobinfo

MobInfo.lookup('1862169')
# => {:province=>"上海", :city=>"上海", :postal_code=>"200000", :region_code=>"021", :isp=>"联通", :prefix=>1862169}

MobInfo.lookup(110)
# => nil

phone.dat, idea and algorithm from https://github.com/lovedboy/phone

Bug reports and pull requests are welcome on GitHub at https://github.com/forresty/mobinfo.