Congstar DE provides flexible and affordable mobile phone plans, catering to shoppers who want control without commitment. Operating on the high-quality Telekom network, the brand delivers excellent coverage and reliability at a great value. Whether you need a simple prepaid card or a monthly cancellable contract, Congstar makes it easy to find a mobile solution that fits your budget and lifestyle.
- impressum@congstar.de
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THIS PAGE WAS LAST UPDATED ON September 17, 2026 By
Sarah is a U.S.-based writer who loves helping readers with informative content. She also keeps track of discounts and coupon updates so people can save more while shopping online.
Congstar DE Promo Codes & Coupons September 2026
Best Offers – Last Validated: September 17
OFF
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Verified10% Off All Orders
10% Off All Orders At Congstar DE
10% OFF
10% Off All Orders
VerifiedPLANused 5246 times
Free 100gb Plan
Free 100gb Plan at Congstar DE
FREE PLAN
Free 100gb Plan
RATE
SHIPPING
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€4.95 Standard Rate Shipping
€4.95 Standard Rate Shipping At Congstar DE
STANDARD RATE SHIPPING
€4.95 Standard Rate Shipping
30%
OFF
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Up To 30% Off All Plans
Up To 30% Off All Plans at Congstar DE
UP TO 30% OFF
Up To 30% Off All Plans
30%
OFF
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Up To 30% Off Smartphones Collection
Up To 30% Off Smartphones Collection At Congstar DE
UP TO 30% OFF
Up To 30% Off Smartphones Collection
30%
OFF
used 0 times
Up to 30% Off Congstar Home 100 Flex Plan
Up to 30% Off Congstar Home 100 Flex Plan at Congstar DE
UP TO 30% OFF
Up to 30% Off Congstar Home 100 Flex Plan
UPused 0 times
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Congstar DE's Competitor Discounts
Congstar DE Promo Codes: Complete Timetable
Congstar DE has issued 1 total Congstar DE discount codes per our database. See our Congstar DE coupon timetable below for a complete record of all Congstar DE promo codes offered by this retailer over the past 3 years.
| Code | Discount | Description | Issue | Status |
|---|---|---|---|---|
| GS10PP | 10% OFF | 10% Off All Orders | N/A | Active |