Tarif- & Produktberatung

Fragen zur Neubestellung, Tarifberatung, Optionsberatung, Bestellstatus, Rufnummernmitnahme

    2. Infos, FAQs und HowTos - Alle Themen im Überblick 5

      • Christian
      • August 3, 2021 at 12:38 PM
    3. Replies
      5
      Views
      180k
      5

    4. Christian

      August 3, 2021 at 12:38 PM

    2. Nutzerfragen zum (EU-)Roaming 294

      • congstar
      • August 16, 2025 at 8:23 AM
    3. Replies
      294
      Views
      155k
      294

    4. Christian

      August 16, 2025 at 8:23 AM

    2. Tarife und Endgeräte bei congstar - Für jeden das passende dabei! 4

      • Christian
      • January 7, 2024 at 11:56 AM
    3. Replies
      4
      Views
      25k
      4

    4. Tatiana

      January 7, 2024 at 11:56 AM

    2. Neue SIM-Karte bestellen / Kartentausch bestellen / Karte sperren 2

      • congstar
      • February 15, 2014 at 4:08 PM
      • congstar
      • February 1, 2020 at 3:23 PM
    3. Replies
      2
      Views
      156k
      2

    4. congstar

      February 1, 2020 at 3:23 PM

    2. Die congstar Ident-Verfahren

      • congstar
      • November 14, 2019 at 6:37 PM
      • congstar
      • November 14, 2019 at 6:37 PM
    3. Replies
      0
      Views
      73k

    2. Alles rund um Tarife, Tarifwechsel, Bestellung, Lieferzeit, Rufnummernmitnahme, PIN und PUK 1

      • congstar
      • February 15, 2014 at 3:31 PM
      • congstar
      • February 5, 2018 at 4:17 PM
    3. Replies
      1
      Views
      133k
      1

    4. congstar

      February 5, 2018 at 4:17 PM

    2. Mobil surfen mit congstar - manuelle Einstellungen zum mobilen Internet / APN

      • congstar
      • February 16, 2014 at 2:40 PM
      • congstar
      • February 16, 2014 at 2:40 PM
    3. Replies
      0
      Views
      608k

    2. Mitarbeiterangebote Gutschein bei Tarifwechsel 1.9k

      • zephyr87
      • January 24, 2026 at 3:58 PM
    3. Replies
      1.9k
      Views
      455k
      1.9k

    4. Christian

      January 24, 2026 at 3:58 PM

    2. SIM Karte für Partnervertrag kommt schon wieder nicht an 8

      • michi-ohne-sim
      • January 24, 2026 at 12:59 PM
    3. Replies
      8
      Views
      649
      8

    4. michi-ohne-sim

      January 24, 2026 at 12:59 PM

    2. Mobilfunkstörung seit einer Woche 46

      • Schaengel56
      • January 24, 2026 at 8:58 AM
    3. Replies
      46
      Views
      2.5k
      46

    4. Torc

      January 24, 2026 at 8:58 AM

    2. Datenvolumen Ausland China 3

      • alba34100
      • January 22, 2026 at 4:36 PM
    3. Replies
      3
      Views
      192
      3

    4. Christian

      January 22, 2026 at 4:36 PM

    2. Rufnummer von neuer Kundennummer zur bestehenden Kundennummer hinzufügen geht das? 2

      • T-D1
      • January 20, 2026 at 7:30 PM
      • T-D1
      • January 21, 2026 at 7:59 AM
    3. Replies
      2
      Views
      284
      2

    4. T-D1

      January 21, 2026 at 7:59 AM

    2. Von physischer Sim auf esim wechseln 7

      • Kiddy
      • January 17, 2026 at 7:31 PM
      • Kiddy
      • January 18, 2026 at 11:37 AM
    3. Replies
      7
      Views
      573
      7

    4. Flosse08

      January 18, 2026 at 11:37 AM

    2. Meine Mobilfunkverträge / Fragen zur VVL oder bei Kündigung wegen der Partnerkarten 8

      • Snoopy72
      • January 15, 2026 at 1:28 PM
      • Snoopy72
      • January 15, 2026 at 9:19 PM
    3. Replies
      8
      Views
      711
      8

    4. Snoopy72

      January 15, 2026 at 9:19 PM

    2. Altes Motorola Handy Razr V3 keine SMS 3

      • KPBerge
      • January 14, 2026 at 6:33 PM
      • KPBerge
      • January 15, 2026 at 8:04 PM
    3. Replies
      3
      Views
      356
      3

    4. Torc

      January 15, 2026 at 8:04 PM

    2. Tarifwechsel von Prepaid Allnet XXL zu M 3

      • farina
      • January 13, 2026 at 8:23 PM
      • farina
      • January 13, 2026 at 9:01 PM
    3. Replies
      3
      Views
      287
      3

    4. MCP62

      January 13, 2026 at 9:01 PM

    2. Vertragswechsel von Postpaid zu Prepaid 12

      • congBaer
      • January 11, 2026 at 5:40 PM
      • congBaer
      • January 13, 2026 at 5:01 PM
    3. Replies
      12
      Views
      996
      12

    4. Amazonas1982

      January 13, 2026 at 5:01 PM

    2. eSIM wird immer noch vorbereitet obwohl heute der Portierungstag ist 2

      • swurmix
      • January 12, 2026 at 4:31 AM
      • swurmix
      • January 12, 2026 at 8:32 AM
    3. Replies
      2
      Views
      352
      2

    4. Patrick

      January 12, 2026 at 8:32 AM

    2. Wechsel von Vertrag in Prepaid 34

      • jluepsch
      • January 11, 2026 at 12:32 PM
    3. Replies
      34
      Views
      18k
      34

    4. Stephanie

      January 11, 2026 at 12:32 PM

    2. Wechsel Postpaid nach Prepaid selber machen? 2

      • TomRichter
      • January 10, 2026 at 8:53 PM
    3. Replies
      2
      Views
      315
      2

    4. harob

      January 10, 2026 at 8:53 PM

    2. Neuer Vertrag wurde abgelehnt 8

      • Mobilfunkkunde
      • April 3, 2020 at 8:33 PM
      • Mobilfunkkunde
      • January 10, 2026 at 8:26 AM
    3. Replies
      8
      Views
      10k
      8

    4. Steffi

      January 10, 2026 at 8:26 AM

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