Area Code 3 – Antwerp
The phone area code for Antwerp is 3 (international format +323). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 3
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Antwerp
Geographic Coverage and Administrative Jurisdiction
The Belgian national destination code +32 3 is a geographic area code serving the province of Antwerp and its surrounding municipalities. It covers the city of Antwerp, Belgium's second-largest city and one of Europe's most important ports, along with key districts such as Borgerhout, Deurne, Hoboken, Merksem, Wilrijk, and Berchem. The code also extends to neighboring towns within the arrondissement, including Boom, Brasschaat, Kapellen, Schoten, and Zwijndrecht. Administratively, this area falls under the Flemish Region and is part of the province of Antwerp.
Dialing Formats and Caller Instructions
When calling a landline in the Antwerp region, the national subscriber number is composed of the area code (without the leading zero) followed by a six- or seven-digit local number. For example, a typical number might be 03 123 45 67 when dialed domestically. To call from within Belgium, you must use the trunk prefix 0 followed by the area code and subscriber number: 0 3 123 45 67. From abroad, you dial the international access code (e.g., 00 from most countries or +), then Belgium's country code 32, followed by the area code without the leading zero and the subscriber number: +32 3 123 45 67. Note that the leading '0' is always dropped when dialing from outside Belgium.
Overlay and Numbering Plan Considerations
Belgium's numbering plan is regulated by the Belgian Institute for Postal Services and Telecommunications (BIPT). The Antwerp area code is part of the closed numbering plan, meaning that local numbers are fixed at eight digits (including the area code). There is no overlay code for Antwerp; the area code 3 is unique to this geographic region. However, due to number portability, a subscriber may retain their +32 3 number even if they move to another operator, but the geographic significance remains tied to the original location. For callers, it is important to note that some numbers within this range may be assigned to VoIP services, but they still follow the same dialing procedures.
Practical Dialing Examples
- Local call (within Antwerp): 03 123 45 67
- National call (from Brussels): 03 123 45 67
- International call (from the UK): 00 32 3 123 45 67
- International call (from the US): 011 32 3 123 45 67
Always replace '123 45 67' with the actual subscriber number. Ensure you include the area code even when calling from a mobile phone within Belgium, as all geographic numbers require full national dialing.