A definitive, fact-checked answer — updated for 2026.
Gibraltar uses a single postcode for the entire territory: GX11 1AA. There are no neighbourhood-level or street-level postcodes — every address, from Casemates Square to Europa Point, shares the same one.
The 'GX' prefix is a special designation assigned by Royal Mail for British Overseas Territories. It is not a standard UK postcode area (like 'GX' for Guildford in the domestic UK system) — Gibraltar's GX11 1AA is entirely separate and is recognised internationally as Gibraltar's postal code.
When sending mail or parcels to Gibraltar, use the following format:
Yes and no. Gibraltar's GX11 1AA postcode is administered through the UK Royal Mail system, so from a postal processing perspective it functions like a UK postcode. However, it is not part of the standard UK postcode database used for domestic addresses — it is a territory-specific code.
If you are ordering goods online, some retailers recognise GX11 1AA as a valid UK postcode, while others may list Gibraltar as a separate country in their dropdown. If a website does not accept GX11 1AA, try selecting 'United Kingdom' as the country and entering the postcode manually.
Mail delivery times to Gibraltar depend on the origin:
| From | Estimated delivery time | Notes |
|---|---|---|
| UK (Royal Mail) | 3 to 7 working days | Standard post; tracked services are faster |
| Spain (Correos) | 5 to 10 working days | Cross-border post enters via the La Línea sorting office |
| Rest of EU | 1 to 2 weeks | Varies by country and service |
| USA / Canada | 2 to 3 weeks | Airmail; customs forms may be required |
| Australia / NZ | 3 to 4 weeks | Airmail only |
Yes, most hotels and guesthouses in Gibraltar will accept parcels for guests, but always call ahead to confirm. Use the hotel's full address and include your booking reference and dates of stay. Some hotels charge a small handling fee for receiving parcels.
Alternatively, you can use the Gibraltar Post Office at 104 Main Street for general delivery (Poste Restante), where you can collect mail in person with photo ID.
Here is how Gibraltar's postal system compares to its neighbours:
| Gibraltar | UK | Spain | |
|---|---|---|---|
| Postcode system | Single: GX11 1AA | Area-specific (e.g. SW1A 1AA) | Area-specific (e.g. 28001) |
| Postal operator | Royal Mail (via UK) | Royal Mail | Correos |
| Currency for stamps | Gibraltar pounds / GBP | GBP | EUR |
| Mail from UK | 3 to 7 days | 1 to 2 days | N/A |
| Mail from Spain | 5 to 10 days | N/A | 1 to 2 days |
Gibraltar's postcode is GX11 1AA. It covers the entire territory — there are no area-specific postcodes. Every address on the Rock shares this single postcode.
Gibraltar's GX11 1AA is administered through the UK Royal Mail system, so it functions like a UK postcode for delivery purposes. However, it is a territory-specific code, not part of the standard domestic UK postcode database.
Yes, most retailers accept GX11 1AA as a valid postcode. If a website does not recognise it, try selecting 'United Kingdom' as the country. Some sites list Gibraltar as a separate country in the dropdown — in that case, select Gibraltar and enter the postcode.
Standard Royal Mail post from the UK to Gibraltar takes 3 to 7 working days. Tracked and signed-for services are faster and more reliable. Parcels may take slightly longer due to customs processing.
Yes, Gibraltar issues its own postage stamps featuring Gibraltar-themed designs. They are valid for mail posted from Gibraltar and are accepted by the Gibraltar Post Office. UK stamps are not valid for posting from Gibraltar.
The main Gibraltar Post Office is at 104 Main Street. It is open Monday to Friday and offers standard postal services, Poste Restante (general delivery), and parcel collection.