Area Code 596 – Delfzijl
The phone area code for Delfzijl is 596 (international format +31596). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 596
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📍 Geographic Location of Delfzijl
Geographic Coverage and Administrative Jurisdiction
The +31 596 country-code prefix is a geographic National Destination Code (NDC) assigned to the Delfzijl numbering area in the northeastern Netherlands. Delfzijl is a port city in the province of Groningen, situated on the Ems estuary near the German border. The code covers the municipality of Delfzijl and its immediate surroundings, including the towns of Appingedam, Loppersum, and Holwierde, as well as the adjacent rural communities. It is administered by the Dutch regulatory authority (Autoriteit Consument & Markt, ACM) and is allocated to fixed-line PSTN and VoIP services within this specific geographic region.
Dialing Formats and Usage
Within the Netherlands, calls to numbers in the Delfzijl area are made using the national trunk prefix 0, followed by the area code and the subscriber number. The complete national format is (0596) XX XX XX, where the subscriber number consists of six digits. For example, a local call to a business in Delfzijl would be dialed as 0596 12 34 56.
For international callers, the country code +31 replaces the leading zero, and the area code is dialed without the trunk prefix. The international format is +31 596 XX XX XX. Thus, a caller from abroad would dial +31 596 12 34 56 to reach the same number. It is important to note that the leading zero is never included when dialing from outside the Netherlands.
Overlay and Numbering Considerations
As of the current numbering plan, there is no overlay code for the Delfzijl area; the 0596 code is unique to this region. However, number portability is available, meaning that a subscriber may retain their 0596 number even if they move to a different geographic area or switch to a VoIP provider. Conversely, a number with a different area code can be ported into the Delfzijl region, but the original area code remains associated with the number. This does not affect the dialing procedure, which is always based on the NDC of the called number.
Caller Instructions
Local callers within the Delfzijl area may sometimes dial only the six-digit subscriber number for local calls, depending on their telephone service provider. However, for clarity and reliability, it is recommended to always use the full national format, especially when calling from mobile phones or VoIP services. Callers from other parts of the Netherlands must dial 0596 followed by the subscriber number. International callers should use the +31 596 format, ensuring they replace the international access code (e.g., 00 from most European countries) with the + sign where applicable.