Heytag EEA/EFTA Country Converter (Web)

A lightweight and robust Google Tag Manager (Web) variable template designed to standardize country data. It transforms various country inputs into standardized ISO formats or E.164-compliant phone prefixes, specifically optimized for the European Economic Area (EEA) and EFTA states.

This template is developed and maintained by Heytag, a European server-side tagging provider based in Germany. Heytag empowers businesses to take full control of tracking data, improve website performance, and ensure GDPR compliance through high-performance, locally hosted infrastructure.

Explore how to unite privacy and performance at heytag.de.

Key Features

• Multi-Language Recognition: Recognizes country names in English, German, and their respective native languages.
• Normalization: Automatically handles umlauts (ä, ö, ü) and special characters (ß), converting them to standard Latin characters for better matching.
• Flexible Input: Accepts full country names, ISO Alpha-2, or ISO Alpha-3 codes as input.
• E.164 Support: Provides international dialing prefixes with or without the leading +.

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Supported Countries (EEA & EFTA)

The transformer covers all 27 EU member states, the 3 additional EEA members, and Switzerland (EFTA).

Country	ISO Alpha-2	ISO Alpha-3	Numeric	Dial Code
Austria	AT	AUT	040	43
Belgium	BE	BEL	056	32
Bulgaria	BG	BGR	100	359
Croatia	HR	HRV	191	385
Cyprus	CY	CYP	196	357
Czech Republic	CZ	CZE	203	420
Denmark	DK	DNK	208	45
Estonia	EE	EST	233	372
Finland	FI	FIN	246	358
France	FR	FRA	250	33
Germany	DE	DEU	276	49
Greece	GR	GRC	300	30
Hungary	HU	HUN	348	36
Iceland	IS	ISL	352	354
Ireland	IE	IRL	372	353
Italy	IT	ITA	380	39
Latvia	LV	LVA	428	371
Liechtenstein	LI	LIE	438	423
Lithuania	LT	LTU	440	370
Luxembourg	LU	LUX	442	352
Malta	MT	MLT	470	356
Netherlands	NL	NLD	528	31
Norway	NO	NOR	578	47
Poland	PL	POL	616	48
Portugal	PT	PRT	620	351
Romania	RO	ROU	642	40
Slovakia	SK	SVK	703	421
Slovenia	SI	SVN	705	386
Spain	ES	ESP	724	34
Sweden	SE	SWE	752	46
Switzerland	CH	CHE	756	41

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Transformation Use Cases

The variable logic is built to handle inconsistent data sources common in web tracking.

Case 1: Name to ISO Code

• Input: "Österreich" or "Austria"
• Output (Alpha-2): AT

Case 2: Cross-ISO Conversion

• Input: "DEU" (Alpha-3)
• Output (Numeric): 276

Case 3: Phone Number Standardization

• Input: "Schweiz" or "CH"
• Output (Prefix with +): +41

Case 4: Normalization of Special Characters

• Input: "España"
• Output (Alpha-2): ES (Handles the ñ internally)

Case 5: Empty or Unknown Inputs

• Input: "" or "USA"
• Output: Returns the configured Default Return Value (or undefined).

Tip

Multilingual Support: This template is available in German and English. It recognizes country names in both languages (e.g., it accepts both "Deutschland" and "Germany").

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Configuration

1. Input Value: Select the GTM variable containing the raw country data.
2. Output Format: Choose between ISO Alpha-2, Alpha-3, Numeric, or Phone Prefixes.
3. Default Return Value: Define what should happen if no match is found (e.g., for non-EEA countries).

Installation

1. Download the template.tpl file.
2. In GTM, go to Templates > Variable Templates > New.
3. Click the three dots (top right) > Import.
4. Select the file and Save.

License

MIT