In Kwali LGA, the Dafa district is assigned a specific postal code to ensure precision in mail delivery. The postal code for Dafa district is 904102. This code serves as the primary identifier for the district, enabling residents, businesses, and postal service providers to accurately address mail and ensure timely delivery. With the correct postal code in place, communication, commerce, and administrative processes within the Dafa district are seamlessly facilitated, contributing to the overall connectivity and development of Kwali LGA and the broader Federal Capital Territory.
The district contains several locations/streets that make use of the same postal or zip code. Below are the areas in Dafa and their postcodes:
| Location | Postcode |
| Azaya | 904102 |
| Dafa | 904102 |
| Dafa SaboDaji | 904102 |
| Galo | 904102 |
| Gugwa | 904102 |
| Kangon Adamu | 904102 |
| Kpewuye | 904102 |
| Kye | 904102 |
| Puka | 904102 |
| Tungan Galadima | 904102 |
| Tungan Gani | 904102 |
| Tungan Guli | 904102 |
| Tungan Tofa | 904102 |