10% Off w/ Congstar Promo Codes June 2026

About Congstar

We are one of the leading mobile network operators in Germany and, with a creative team of over 250 congstars, we convince more than 6 million customers of fair and flexible mobile communications. Every day, we do our best to support your digital lifestyle with the right products and services. As your life changes, we change with it. We want to inspire you with simple, digital products that will stay with you – and with additional options like 5G or the "share does good" feature, we offer flexibility and the opportunity to support social projects. Loyalty pays off: With our all-network plans, our customers benefit from GB+, which offers increasing data volume every year at the same price. With our other mobile offerings from fraenk, share mobile, and the REWE brands ja! mobil and Penny Mobil, we provide a wide range of options for everyone who values fair mobile service.

All (11) Codes (5) Deals (6)

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10 % Rabatt auf das gesamte Sortiment

Erhalte 10 % Rabatt auf alles bei Congstar

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**NSC474

Terms & Conditions

This code has limited usages, and has been used 9 times.

Cannot be used in conjunction with any other offer.

All brands reserve the right to remove any offer without giving prior notice.

Available whilst stocks lasts.

For full Terms & Conditions please see website.

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10 % monatlicher Rabatt auf Allnet Flat M + 100 GB gratis jeden Monat

Erhalte 10 % monatlichen Rabatt auf Allnet Flat M und zusätzlich 100 GB gratis jeden Monat bei Congstar

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**10PP

Terms & Conditions

This code has limited usages, and has been used 5 times.

Cannot be used in conjunction with any other offer.

All brands reserve the right to remove any offer without giving prior notice.

Available whilst stocks lasts.

For full Terms & Conditions please see website.

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10 % Rabattcode für congstar Homespot & Go Tarife

10 % Rabattcode für congstar Homespot & Go Tarife bei Congstar

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**10PP

Terms & Conditions

This code has limited usages, and has been used 1 times.

Cannot be used in conjunction with any other offer.

All brands reserve the right to remove any offer without giving prior notice.

Available whilst stocks lasts.

For full Terms & Conditions please see website.

Verified

10 % Rabattcode für Allnet Flat & Homespot Tarife

Erhalte 10 % Rabatt auf Allnet Flat & Homespot Tarife bei Congstar

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**LBA10

Terms & Conditions

This code has limited usages, and has been used 1 times.

Cannot be used in conjunction with any other offer.

All brands reserve the right to remove any offer without giving prior notice.

Available whilst stocks lasts.

For full Terms & Conditions please see website.

Verified

Dauerhafter 10 % Rabatt

Dauerhafter 10 % Rabatt auf die monatliche Grundgebühr für Mitglieder unseres Freundeskreises

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**EMU1

Terms & Conditions

This code has limited usages, and has been used 0 times.

Cannot be used in conjunction with any other offer.

All brands reserve the right to remove any offer without giving prior notice.

Available whilst stocks lasts.

For full Terms & Conditions please see website.

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10 % Rabatt bei Anmeldung

Erhalte 10 % Rabatt bei der Anmeldung bei Congstar

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No Code

Terms & Conditions

This code has limited usages, and has been used 0 times.

Cannot be used in conjunction with any other offer.

All brands reserve the right to remove any offer without giving prior notice.

Available whilst stocks lasts.

For full Terms & Conditions please see website.

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10 % Rabatt auf congstar Home 100 Flex mit 0 € Anschlussgebühr

Erhalte 10 % Rabatt auf congstar Home 100 Flex mit 0 € Anschlussgebühr bei Congstar

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No Code

Terms & Conditions

This code has limited usages, and has been used 0 times.

Cannot be used in conjunction with any other offer.

All brands reserve the right to remove any offer without giving prior notice.

Available whilst stocks lasts.

For full Terms & Conditions please see website.

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Starterpaket für 4,99 € mit Allnet-Flat

4,99 € Starterpaket mit Allnet-Flat bei Congstar

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No Code

Terms & Conditions

This code has limited usages, and has been used 0 times.

Cannot be used in conjunction with any other offer.

All brands reserve the right to remove any offer without giving prior notice.

Available whilst stocks lasts.

For full Terms & Conditions please see website.

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Bis zu 50 % Rabatt auf Partnerkarten

Spare bis zu 50 % auf alle Allnet-Flat-Tarife als Partnerkarte bei Congstar

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No Code

Terms & Conditions

This code has limited usages, and has been used 1 times.

Cannot be used in conjunction with any other offer.

All brands reserve the right to remove any offer without giving prior notice.

Available whilst stocks lasts.

For full Terms & Conditions please see website.

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10 % Rabatt für dich und deine Freunde

Erhalte 10 % Rabatt, wenn du einen Freund wirbst

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No Code

Terms & Conditions

This code has limited usages, and has been used 0 times.

Cannot be used in conjunction with any other offer.

All brands reserve the right to remove any offer without giving prior notice.

Available whilst stocks lasts.

For full Terms & Conditions please see website.

Verified

Lade bis zu 5 deiner Lieblingspersonen ein und spare bis zu 50 % auf deinen Tarif.

Lade bis zu 5 deiner Lieblingspersonen ein und spare bis zu 50 % auf deinen Tarif bei Congstar.

Get Deal

No Code

Terms & Conditions

This code has limited usages, and has been used 0 times.

Cannot be used in conjunction with any other offer.

All brands reserve the right to remove any offer without giving prior notice.

Available whilst stocks lasts.

For full Terms & Conditions please see website.