What country has area code 016?

Country codes never begin with 0, but country code +1 is North America (USA, Canada, etc.). You need the following three digits to narrow down the location.

(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)