Keeping a Spanish phone number, mail and address after you leave

Terms used

• Cl@ve — Cl@ve is the Spanish government's online identity system, used to sign in to tax and other public services.
• Reexpedición — Reexpedición is Correos's paid service that forwards your mail from one address to another for a set period.
• Modelo 030 — Modelo 030 is the tax agency form for changing your address if you have no business or professional activity.
• Modelo 036 — Modelo 036 is the tax agency form for changing your details if you have business or professional activity.
• Gestor — A gestor is a professional who handles administrative and tax paperwork for you.

Key rules

• Phone number: Keeping your Spanish number active is the safest way to keep receiving bank and government codes.
• Prepaid lines: A prepaid line can be switched off after months without paid use, and receiving SMS usually does not count.
• Postal address: Official notices count as delivered at the address you declared, so it must be one that reliably receives mail.
• Electronic certificate: A certificate is the most reliable way to reach tax and Seguridad Social services from abroad without a Spanish number.

Keep the phone number if you can

The safest route is to keep your Spanish number active. Banks, Cl@ve and the tax agency often send codes by SMS to that number, and changing it everywhere is slow.

You have three cheap options:

• Prepaid SIM. Top it up now and then. This is the cheapest choice, and you do not need a contract.
• Low-cost monthly plan. Several small operators charge a few euros a month. Contract lines usually need a Spanish bank account and address.
• eSIM. Most main operators offer one, and you can install it remotely. It also works as a second line next to your foreign SIM.

Receiving SMS abroad generally works on an active line. Wi-Fi calling helps with calls.

Watch roaming. Outside the EU, roaming is expensive or unavailable on cheap plans. Inside the EU you can use the line, but operators limit long stays abroad. Often the limit is around 4 months of mostly foreign use before surcharges or suspension. Check your operator's current terms.

Watch prepaid expiry. Prepaid lines are generally switched off after a stretch without paid activity. That is typically several months to about a year, depending on the operator. A top-up or a paid outgoing call, SMS or data use usually keeps the line alive. Receiving calls or SMS often does not count. Ask your operator for its exact rule before you leave.

If you cannot keep the number

Many Spanish banks can register a foreign mobile number. Some accept only Spanish numbers, or need a branch visit or a call to change it. Ask each bank, and switch to its app confirmation if it has one.

Cl@ve often accepts a foreign number, but app-based options work better than SMS codes. For the tax agency (AEAT) and Seguridad Social, an electronic certificate is the most reliable way in from abroad. Get one before you go.

Keep a postal address that works

Official notices count as delivered when they reach the address you declared. Pick an address that reliably receives mail:

• A relative or friend. It is free, but they must pass on your notices.
• A private mailbox or virtual address. It typically costs tens to a few hundred euros a year, and many include scanning.
• A Correos PO box (apartado de correos) or Buzón. You pay each year, and you must collect the mail yourself.
• A gestor or representative with a power of attorney. They handle your Spanish paperwork for you.

Before you rely on a mailbox address, ask the authority concerned whether it accepts that address as your official one.

Forward mail for a while

Correos offers paid mail forwarding called Reexpedición. It sends mail from your Spanish address to a new one, including abroad, for periods such as 1, 3, 6 or 12 months. You must prove your identity and that you own the address. Prices depend on the period and the destination. Mail that needs a signature, such as notices, may be handled differently. Treat forwarding as a bridge, then move to an address that lasts.

Update your registered details

• Tax agency. Tell it your new foreign address with modelo 030. If you have business or professional activity, use modelo 036. You can file online with a certificate or Cl@ve, or in person. If you stop being tax resident, you will usually need a representative.
• Seguridad Social. Update your address in its electronic office, or with a form at an office. From abroad you need a certificate or Cl@ve.
• Residents' registry. If you are a resident, you must also deregister through the consulate.

Also sign up to the single electronic mailbox for official notices. Electronic notices are often more reliable than paper ones.

The timeline, documents, checklist and questions below cover the order and the details.

Timeline and deadlines

• Choose how to keep your number: a cheap prepaid SIM, a low-cost monthly plan or an eSIM: before you leave Spain

• Order Correos mail forwarding (Reexpedición) from your Spanish address to your new address: before you leave, for 1, 3, 6 or 12 months

• Switch to a plan or SIM that works without heavy roaming, as operators limit mostly foreign use inside the EU: after about 4 months abroad

• Renew your Correos forwarding or move to a mailbox address that lasts: before the 1, 3, 6 or 12 months you chose run out

Documents you need

• Modelo 030 form to tell the tax agency (AEAT) your new foreign address, if you have no business or professional activity. File it online with a certificate or Cl@ve, or in person.

• Modelo 036 form instead of modelo 030, if you have business or professional activity. File it online with a certificate or Cl@ve, or in person.

• Seguridad Social address update, made in its electronic office or with a TGSS form at an office. From abroad, the online route needs a certificate or Cl@ve.

• Power of attorney for a gestor or representative who handles your Spanish paperwork. Those who stop being tax residents usually appoint one.

• Proof of identity and of ownership of the address, to order Correos mail forwarding (Reexpedición).

• Electronic certificate, the safest way to sign in to government portals if you cannot keep a Spanish number for SMS codes.

Stay reachable: contact details to keep working in Spain

Stay reachable from abroad

• Keep your Spanish mobile number active, or move your banks, Cl@ve (the government online ID) and other SMS codes to a number you will keep.

• List every place that holds your number: banks, Cl@ve, the tax agency (AEAT), Seguridad Social, your regional health service, the DGT, your town hall, utilities and insurers.

• Update your phone and email with the AEAT online, using a certificate, DNIe or Cl@ve, through the census data change form on its electronic office.

• Update your contact details with Seguridad Social in the personal area of its electronic office, using a certificate or Cl@ve.

• Choose a Spanish postal address that reliably receives mail: a relative or friend who will pass on notices, a private mailbox service, or a Correos PO box that you or someone you trust will collect from.

• Ask the authority concerned whether your chosen mailbox address can be used as your official address before you declare it.

• Consider appointing a gestor (a professional who handles paperwork) or a representative with a power of attorney if you cannot handle notices yourself.

• Sign in to DEHú, the single electronic mailbox for official notices, with your certificate, DNIe or Cl@ve, and subscribe to email or SMS alerts.

• Sign in to Carpeta Ciudadana with the same credentials and turn on its notification service.

• Register for Cl@ve before you leave if you do not have it yet, by online video ID, in person at an office, or with a certificate.

Frequently asked questions

Does a Spanish prepaid line stay active if I only receive SMS?

Usually not, because receiving calls or SMS often does not count as activity on a prepaid line. A top-up or a paid outgoing call, SMS or data use normally keeps it alive. Lines are cut after several months to about a year without paid activity, so ask your operator for its exact period.

Can my Spanish bank send SMS codes to a foreign phone number?

Many Spanish banks can register a foreign mobile number, but some only accept Spanish numbers or ask you to call or visit a branch to change it. A bank app with biometric or app-based confirmation reduces your need for SMS. Ask each bank before you leave.

How long can Correos forward my mail abroad?

Correos forwards mail from a Spanish address to a foreign one with its paid Reexpedición service, for periods such as 1, 3, 6 or 12 months. You must prove your identity and that you own the address.

Can I use my Spanish phone plan in the EU for months after I leave?

Only for a limited time, because operators restrict long stays abroad, often to about 4 months of mostly foreign use before surcharges or suspension. Outside the EU, roaming is expensive or unavailable on cheap plans. An eSIM or Wi-Fi calling can help you keep receiving messages.