According to Allcitycodes, Senegal is a West African nation located on the Atlantic coast. It is bordered by Mauritania, Mali, Guinea, Guinea-Bissau and The Gambia. The total land area of Senegal is 197,000 km2 and its population is estimated to be 16.5 million people. The terrain consists of mostly flat plains with some hills and mountains reaching up to 581 meters (1,906 ft) above sea level. The area code for Senegal is +221. This code is used when dialing from outside Senegal to any other phone number within it. Additionally, to call a cell phone or landline inside Senegal from another country you must dial 00 + 221 + telephone number. All numbers are eight digits long starting with two numbers followed by six numbers (e.g xx-xxxxxx). Senegal also has mobile networks which are operated by Orange/Tigo/Expresso which use GSM networks with 3G/4G coverage available on all networks. To call a mobile device within Senegal you must dial 00+221+ mobile network prefix + telephone number where the mobile network prefixes are either 3 or 7 depending on whether you are calling an Orange or Tigo device respectively for Orange/Tigo respectively or 5 depending on whether you are calling an Expresso device for Expresso respectively. Check politicsezine for Senegal Political System.