Rufnummer

Q: Is it der, die, or das Rufnummer?

It is die Rufnummer. In German, every noun has a grammatical gender, and Rufnummer is feminine. You should always learn the article together with the noun to ensure your German grammar is correct.

Q: What is the plural of die Rufnummer?

The plural form of die Rufnummer is die Rufnummern. In German, regardless of the singular gender, all plural nouns use the definite article “die.”

Q: What does die Rufnummer mean in English?

The German word die Rufnummer translates to “phone number” in English.

Q: How do you decline die Rufnummer?

Like all German nouns, Rufnummer changes its article depending on the case. In the singular, the forms are: Nominativ: die Rufnummer Akkusativ: die Rufnummer Dativ: der Rufnummer Genitiv: der Rufnummer These changes are necessary because German uses cases to indicate the noun’s role in a sentence (such as the subject or object). Knowing these forms allows you to build grammatically correct sentences.

phone number

Plural: die Rufnummern

Strong

Why does the noun Rufnummer have the article die?

This noun follows no general suffix rule — its gender is part of the core vocabulary you simply learn alongside the word.

Declension table for German noun Rufnummer

How it changes across the four cases.

Case	Definite	Indefinite	Negative
Nominativ	die Rufnummer	eine Rufnummer	keine Rufnummer
Akkusativ	die Rufnummer	eine Rufnummer	keine Rufnummer
Dativ	der Rufnummer	einer Rufnummer	keiner Rufnummer
Genitiv	der Rufnummer	einer Rufnummer	keiner Rufnummer
Nominativ	die Rufnummern	Rufnummern	keine Rufnummern
Akkusativ	die Rufnummern	Rufnummern	keine Rufnummern
Dativ	den Rufnummern	Rufnummern	keinen Rufnummern
Genitiv	der Rufnummern	Rufnummern	keiner Rufnummern

Examples in context

Real sentences using Rufnummer in different cases.

Case	Definite	Indefinite	Negative
Nominativ	Die neue Rufnummer ist wichtig.The new phone number is important.	Eine alte Rufnummer steht hier.An old phone number is listed here.	Keine falsche Rufnummer ist bekannt.No wrong phone number is known.
Akkusativ	Ich wähle die wichtige Rufnummer.I dial the important phone number.	Er sucht eine neue Rufnummer.He is looking for a new phone number.	Wir haben keine alte Rufnummer.We have no old phone number.
Dativ	Ich rufe unter der wichtigen Rufnummer an.I call under the important phone number.	Er hilft mit einer neuen Rufnummer.He helps with a new phone number.	Ich spreche über keiner alten Rufnummer.I am not talking about any old phone number.
Genitiv	Die Änderung der wichtigen Rufnummer ist nötig.The change of the important phone number is necessary.	Die Suche einer neuen Rufnummer ist schwer.The search for a new phone number is difficult.	Die Gültigkeit keiner alten Rufnummer ist unklar.The validity of no old phone number is unclear.
Nominativ	Die neuen Rufnummern sind wichtig.The new phone numbers are important.	Alte Rufnummern fehlen hier.Old phone numbers are missing here.	Keine falschen Rufnummern sind nötig.No wrong phone numbers are necessary.
Akkusativ	Wir wählen die wichtigen Rufnummern.We dial the important phone numbers.	Sie suchen neue Rufnummern.They are looking for new phone numbers.	Ich finde keine alten Rufnummern.I find no old phone numbers.
Dativ	Er ruft unter den wichtigen Rufnummern an.He calls under the important phone numbers.	Sie helfen mit neuen Rufnummern.They help with new phone numbers.	Ich spreche über keinen alten Rufnummern.I am not talking about any old phone numbers.
Genitiv	Die Änderung der wichtigen Rufnummern ist nötig.The change of the important phone numbers is necessary.	Die Suche neuer Rufnummern ist schwer.The search for new phone numbers is difficult.	Die Gültigkeit keiner alten Rufnummern ist unklar.The validity of no old phone numbers is unclear.

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Frequently asked questions

Everything you might wonder about der, die, das — and the Der Artikel app.

Is it der, die, or das Rufnummer?

It is die Rufnummer. In German, every noun has a grammatical gender, and Rufnummer is feminine. You should always learn the article together with the noun to ensure your German grammar is correct.

What is the plural of die Rufnummer?

The plural form of die Rufnummer is die Rufnummern. In German, regardless of the singular gender, all plural nouns use the definite article “die.”

What does die Rufnummer mean in English?

The German word die Rufnummer translates to “phone number” in English.

How do you decline die Rufnummer?

Like all German nouns, Rufnummer changes its article depending on the case. In the singular, the forms are:

Nominativ: die Rufnummer
Akkusativ: die Rufnummer
Dativ: der Rufnummer
Genitiv: der Rufnummer

These changes are necessary because German uses cases to indicate the noun’s role in a sentence (such as the subject or object). Knowing these forms allows you to build grammatically correct sentences.