Offices that help you get a BIS number in Belgium

Most want an email, form or phone call before a visit

Where a town office handles this, you can see whether it starts with an online form, a phone call or an appointment, which documents it wants copies of, and what to say so that you reach the right desk instead of a residence application.

5 offices
  • Aalst

    Administratief centrum Aalst

    Werf 9, 9300 Aalst

    Phone first to ask for the right appointment, and do not pick a residence application just to get the number.

    Have a valid national identity card or passport and details of the authority requesting identification. Ask for the case-specific evidence list and the delivery time, as no separate complete BIS checklist or delivery time is available. Disclose any existing Belgian identification number to avoid a duplicate. For employment, your current or future employer may instead request identification through belgianIDpro.

  • Antwerp

    For non-residents

    Loket Migratie

    Maurice Dequeeckerplein 1, 2100 Antwerp

    Fill in the city's online BIS form and attach copies of every passport or ID page, plus an address in Antwerp.

    Prepare copies of every page of your passport or identity card, and your Antwerp address. Keep the request reference. A BIS request does not replace the separate short-stay residence notification. For that notification and its deadline, check the section for your nationality: EU citizens and their family members have separate instructions from third-country nationals. For employment-related identification, your current or future employer can request your NISS through belgianIDpro. A BIS number is created by a municipality, employer or competent authority as part of an administrative case; you cannot apply for one on your own. Use the Antwerp procedure described above if it fits your situation.

  • Ghent

    For international students

    Dienst Burgerzaken – Migratie

    Woodrow Wilsonplein 1, 9000 Ghent

    Send the student form online within ten working days of arriving, and the declaration comes by email.

    Supply a passport or identity card and enrolment from a Belgian institution. Verify your address and planned dates. Annex 3ter does not qualify you for a resident parking permit or the driving-test access that requires National Register registration. If you intend to work, the city directs you to obtain a BelgianIDpro number separately. Do not treat the declaration as a Belgian domicile certificate or an extension of a different residence entitlement. For employment-related identification, your current or future employer can request your NISS through belgianIDpro. Sigedis explains that a BIS number is created by a municipality, employer or competent authority within an administrative case; there is no standalone citizen self-application. Use the locally documented route above when it fits your situation.

  • Kortrijk

    For non-residents

    Onthaal stadhuis | 1777

    Leiestraat 21, 8500 Kortrijk

    Book the BIS appointment at central reception, and check first that no one else is already arranging a number for you.

    Before attending, ask reception which identity documents and information about the requesting authority to bring; no complete BIS document checklist or fee is available. Have details of any existing Belgian identification number available. If you are actually moving to Belgium, confirm resident registration separately rather than using BIS identification as a substitute. For employment-related identification, your current or future employer can request your NISS through belgianIDpro. Sigedis explains that a BIS number is created by a municipality, employer or competent authority within an administrative case; there is no standalone citizen self-application. Use the locally documented route above when it fits your situation.

  • Namur

    For non-residents

    Hôtel de Ville de Namur – Espace Citoyens, Population et Étrangers

    Rue de Fer, Hôtel de Ville, 5000 Namur

    Email the foreigners team first, say which short-stay document you hold, and ask whether you need to come in.

    Have your identity document and qualifying annex details available when requesting the checklist. No separate BIS fee, processing time or universal evidence list is available here; confirm these rather than applying the digital key’s free tariff to BIS allocation. A BIS number does not itself establish residence, work permission, tax residence or insurance entitlement. For employment-related identification, your current or future employer can request your NISS through belgianIDpro. Sigedis explains that a BIS number is created by a municipality, employer or competent authority within an administrative case; there is no standalone citizen self-application. Use the locally documented route above when it fits your situation.

Related services

Other everyday services in Belgium

Other countries

The same task in other countries

Moving on, or comparing before you decide? See how this works elsewhere.

Where to next

BIS number for non-residents

Frontier workers, short-stay students and others who deal with Belgian authorities from abroad may need one. See how a request usually starts.

Register as a non-resident in Belgium