Founded in 1810, East Baton Rouge Parish is one of 64 parishes in the state of Louisiana. Historically, East Baton Rouge Parish was formed from West Florida territory. The city of Baton Rouge is the parish seat. With FIPS code of 33, East Baton Rouge Parish has a population of 453,301 and area of 471 square miles (1,220 km2).
List of all cities in East Baton Rouge Parish, LA alphabetically
| City/Town | Postal Code | Area Code |
| Baker, LA | 70704 | 225 |
| 70714 | 225 | |
| Baton Rouge, LA | 70801 | 225 |
| 70802 | 225 | |
| 70803 | 225 | |
| 70804 | 225 | |
| 70805 | 225 | |
| 70806 | 225 | |
| 70807 | 225 | |
| 70808 | 225 | |
| 70809 | 225 | |
| 70810 | 225 | |
| 70811 | 225 | |
| 70812 | 225 | |
| 70813 | 225 | |
| 70814 | 225 | |
| 70815 | 225 | |
| 70816 | 225 | |
| 70817 | 225 | |
| 70818 | 225 | |
| 70819 | 225 | |
| 70820 | 225 | |
| 70821 | 225 | |
| 70822 | 225 | |
| 70823 | 225 | |
| 70825 | 225 | |
| 70826 | 225 | |
| 70827 | 225 | |
| 70831 | 225 | |
| 70833 | 225 | |
| 70835 | 225 | |
| 70836 | 225 | |
| 70837 | 225 | |
| 70873 | 225 | |
| 70874 | 225 | |
| 70879 | 225 | |
| 70884 | 225 | |
| 70891 | 225 | |
| 70892 | 225 | |
| 70893 | 225 | |
| 70894 | 225 | |
| 70895 | 225 | |
| 70896 | 225 | |
| 70898 | 225 | |
| Central, LA | 70837 | 225 |
| Commerce Park, LA | 70884 | 225 |
| Entergy Corp, LA | 70891 | 225 |
| Gateway, LA | 70835 | 225 |
| General Mail Facility, LA | 70826 | 225 |
| GMF, LA | 70826 | 225 |
| Greenwell Springs, LA | 70739 | 225 |
| La Dept of Revenue, LA | 70822 | 225 |
| 70823 | 225 | |
| La Lottery, LA | 70833 | 225 |
| La St University, LA | 70803 | 225 |
| Louisiana Lottery, LA | 70833 | 225 |
| One Amer Place, LA | 70825 | 225 |
| One American Place, LA | 70825 | 225 |
| Pride, LA | 70770 | 225 |
| Scotlandville, LA | 70807 | 225 |
| 70811 | 225 | |
| 70874 | 225 | |
| Southern, LA | 70813 | 225 |
| University, LA | 70803 | 225 |
| Zachary, LA | 70791 | 225 |
| Zion City, LA | 70811 | 225 |