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South Dakota — United States

Welcome to the postal codes directory for South Dakota, United States. As a prominent region in United States, South Dakota contains 14 major cities indexed. Our platform provides comprehensive zip codes, neighborhood directories, and simulated local phone number generation rules for developer form testing and compliance verification.

14 Total Cities Indexed
SOUTH-DAKOTA Region Code
🔍 Showing 14 cities

Available Cities

14
Aberdeen Aurora Buffalo Columbia Dallas Frederick Hartford Madison Provo Rapid City Rutland Salem Sioux Falls Springfield

Frequently Asked Questions

Regional Divisions & Cities
South Dakota encompasses diverse geographical zones and municipal areas. This platform indexes 14 major cities in South Dakota, linking each city to its postal codes, neighborhoods, and regional phone area codes.
State-Level Telecom Infrastructure
Under the NANP system, South Dakota is allocated several distinct area codes covering specific counties and metropolitan districts. Select a city to explore local dialing overlays and to generate valid mock phone patterns.
How to look up the exact postal code for a specific district or street under South Dakota?
You can select the corresponding city from the list above. On the city page, we provide a complete mapping table of districts, streets/neighborhoods, and their exact postal codes. You can also use the search bar at the top to instantly locate a street or neighborhood.