Geographic Regions and Area Codes in Omaha, Nebraska

Omaha, Nebraska, is strategically located in Eastern Nebraska on the banks of the Missouri River, opposite Council Bluffs, Iowa. The city spans a total area of 374.5 square kilometers (115 square miles). This location near the juncture of the Platte and Missouri rivers provides access to the wide, flat valley of the Platte, which has become a vital transportation artery. Omaha operates in the Central Standard Time (CST) zone. The city is served by two area codes: 402 and 531. The 531 area code was introduced on March 26, 2011, and overlaps with the 402 area code.