Eerste River, Western Cape
San Diego Postal Code
Street code
PO Box code
San Diego, Eerste River, Western Cape
San Diego is listed under Eerste River in Western Cape. Its street code is 7100, and no box code. Landlines here use the 021 dialling code.
Suburbs sharing a code with San Diego
| Suburb | Street code | Box code |
|---|---|---|
| Beverly Park | 7100 | - |
| Blue Downs | 7100 | 7105 |
| Brentwood Park | 7100 | - |
| Cedarvale | 7100 | - |
| Chelsea Green | 7100 | - |
| Clairewood | 7100 | - |
| Condor Park | 7100 | - |
| Constantia Dale | 7100 | - |
| Constantia Park | 7100 | - |
| Delft | 7100 | 7102 |
| Delft South | 7100 | - |
| Delft Voorburg | 7100 | - |
How to write an address in San Diego
South Africa uses two kinds of postal code. A street code goes on anything delivered to a physical address, including courier parcels and online orders. A box code goes on post sent to a PO Box or Private Bag at the post office. Using the wrong one can send your post to the wrong sorting office.
Street address
Recipient name12 Example Street
San Diego
Eerste River
7100
Post office in Eerste River
1 branch is listed as active by the South African Post Office.Status as published in SAPO's branch list of 2026/04; phone before you go.
| Branch | Status | Phone |
|---|---|---|
| Eersterivier | Open | 0219041385 |
Full list: every post office branch and its status.
Frequently asked questions
What is the postal code for San Diego?
San Diego in Eerste River has street code 7100 and box code none listed, according to the South African Post Office.
Which code do I use for a delivery to San Diego?
Use the street code 7100 for anything delivered to a house or business in San Diego, including courier and online orders. The box code is only for PO Box and Private Bag addresses.
Which town and province is San Diego in?
San Diego is listed under Eerste River, Western Cape.
Which other suburbs share San Diego's postal code?
Beverly Park, Blue Downs, Brentwood Park, Cedarvale, Chelsea Green, Clairewood, Condor Park and Constantia Dale share a code with San Diego.
70 suburbs
All postal codes in Eerste River
Postal codes come from the South African Post Office's domestic postal code list, and post office branch status from SAPO's branch list (updated 2026-04-24). Provinces and distances are worked out from GeoNames place data. Spotted a wrong code? Tell us.