Siaya County, nestled along the north-eastern shores of Lake Victoria, is the cradle of Luo heritage and home to world-renowned figures such as former U.S. President Barack Obama’s paternal roots. The county’s towns, trading centres and lake-side settlements each carry unique postal or ZIP codes to guarantee accurate and timely mail and parcel delivery.
In this post, you’ll find the complete list of Siaya ZIP and postal codes, including the main code 40600 and area-specific codes.
Complete List of Siaya Postal Codes
| Town/Area | Postal Code |
|---|---|
| Siaya (County HQ) | 40600 |
| Bondo | 40601 |
| Ugunja | 40606 |
| Ukwala | 40607 |
| Usenge | 40609 |
| Yala | 40610 |
| Ndori | 40602 |
| Ng’iya | 40603 |
| Rageng’ni | 40604 |
| Sidindi | 40605 |
| Nyilima | 40611 |
| Sawagongo | 40612 |
| Madiany | 40613 |
| Sega | 40614 |
| Nango | 40615 |
| Anyiko | 40616 |
| Boro | 40620 |
| Lugingo | 40623 |
| Luhano | 40623 |
| Manyuanda | 40625 |
| Misori | 40626 |
| Mutumbu | 40628 |
| Ndigwa | 40630 |
| Nyadorera | 40631 |
| Nyamonye | 40632 |
| Nyawara | 40633 |
| Sigomre | 40635 |
| Hawinga | 40640 |
| Tingwangi | 40645 |
Main Postal Code for Siaya
The main postal code for Siaya is 40600, serving the county headquarters and surrounding areas.
Country Code
The country code for Kenya is KE.
How Postal Codes Are Used in Siaya
Postal codes in Siaya ensure that letters, parcels and courier deliveries reach the correct destinations. They are also vital for e-commerce checkouts, billing and official address verification.