The RDA (recommended daily allowance) for Vitamin B3 niacin is as follows, according to the USDA (14): 1  Children: between 2-16 milligrams daily, depending on age. 2  Men: 16 milligrams daily. 3  Women: 14 milligrams daily. 4  Women who are pregnant and breastfeeding 17- 18 milligrams daily.
This page details Latvia phone code. The Latvia country code 371 will allow you to call Latvia from another country. Latvia telephone code 371 is dialed after the IDD. Latvia international dialing 371 is followed by an area code.The Latvia area code table below shows the various city codes for Latvia. Latvia country codes are followed by these area codes.With the complete Latvia dialing code, you can make your international call.atvia international dialing 371 is followed by an area code. The Latvia area code table below shows the various city codes for Latvia. Latvia country codes are followed by these area codes. With the complete Latvia dialing code, you can make your international call.
Click on above map to view higher resolution image. Latvia geography information. The Republic of Latvia is in Eastern Europe and is bordered by the Baltic Sea, Estonia, Russia, Belarus and Lithuania. Latvia's longest rivers are the Daugava and the Gauja.The country's terrain is mostly flat.Gaizinkalns (312 m above sea level) near Cesvaine is Latvia's highest point. Riga is the capital city and main port. Daugavpils is Latvia's second largest city.atvia's longest rivers are the Daugava and the Gauja. The country's terrain is mostly flat. Gaizinkalns (312 m above sea level) near Cesvaine is Latvia's highest point. Riga is the capital city and main port. Daugavpils is Latvia's second largest city.