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
      187k
      5

    4. Christian

      August 3, 2021 at 12:38 PM

    2. Nutzerfragen zum (EU-)Roaming 296

      • congstar
      • February 9, 2026 at 2:02 PM
    3. Replies
      296
      Views
      170k
      296

    4. Christian

      February 9, 2026 at 2:02 PM

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

      • Christian
      • January 7, 2024 at 11:56 AM
    3. Replies
      4
      Views
      27k
      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
      162k
      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
      76k

    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
      138k
      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
      618k

    2. Wechsel von Vertrag in Prepaid 68

      • jluepsch
      • April 12, 2026 at 5:04 PM
    3. Replies
      68
      Views
      25k
      68

    4. Kenan

      April 12, 2026 at 5:04 PM

    2. Mitarbeiterangebote Gutschein bei Tarifwechsel 2k

      • zephyr87
      • March 8, 2023 at 8:58 PM
      • zephyr87
      • April 5, 2026 at 4:37 PM
    3. Replies
      2k
      Views
      527k
      2k

    4. Kenan

      April 5, 2026 at 4:37 PM

    2. Blockierung anonymer Anrufe durch congstar (ACR) 167

      • Krebs1
      • April 11, 2022 at 6:08 PM
      • Krebs1
      • April 3, 2026 at 12:36 PM
    3. Replies
      167
      Views
      81k
      167

    4. Patrick

      April 3, 2026 at 12:36 PM

    2. von e-sim zu normaler sim 6

      • Todestorte
      • April 2, 2026 at 3:56 PM
    3. Replies
      6
      Views
      519
      6

    4. Todestorte

      April 2, 2026 at 3:56 PM

    2. Tarifwechsel 6

      • Anro
      • April 2, 2026 at 1:25 PM
      • Anro
      • April 2, 2026 at 2:16 PM
    3. Replies
      6
      Views
      383
      6

    4. harob

      April 2, 2026 at 2:16 PM

    2. Bitte um Kulanzprüfung – CB‑Rabatt nach Vertragsverlängerung weggefallen 2

      • PaulMauelshagen
      • April 2, 2026 at 9:55 AM
    3. Replies
      2
      Views
      237
      2

    4. Patrick

      April 2, 2026 at 9:55 AM

    2. Bestellung Handytariff + Handy abgelehnt 5

      • JustBoa
      • March 31, 2026 at 10:16 AM
      • JustBoa
      • March 31, 2026 at 12:19 PM
    3. Replies
      5
      Views
      417
      5

    4. JustBoa

      March 31, 2026 at 12:19 PM

    2. Smartphone im Flex-Tarif 6

      • Torc
      • March 28, 2026 at 7:35 PM
      • Torc
      • March 28, 2026 at 8:42 PM
    3. Replies
      6
      Views
      686
      6

    4. zedtea

      March 28, 2026 at 8:42 PM

    2. RCS Verschlüsselung 23

      • zedtea
      • February 24, 2026 at 8:47 AM
      • zedtea
      • March 28, 2026 at 11:44 AM
    3. Replies
      23
      Views
      3.8k
      23

    4. RayYa

      March 28, 2026 at 11:44 AM

    2. Wechsel auf Partnerkarten-Konditionen (Allnet Flat M mit 100 GB) möglich? 3

      • Philipp723
      • March 28, 2026 at 8:48 AM
    3. Replies
      3
      Views
      504
      3

    4. MCP62

      March 28, 2026 at 8:48 AM

    2. Rufnummernmitnahme 8

      • Alex_DE
      • March 22, 2026 at 2:24 PM
      • Alex_DE
      • March 27, 2026 at 12:03 PM
    3. Replies
      8
      Views
      921
      8

    4. Thomas Trendel

      March 27, 2026 at 12:03 PM

    2. IMS registrierung 10

      • rudi
      • October 12, 2022 at 6:17 PM
      • rudi
      • March 25, 2026 at 3:47 PM
    3. Replies
      10
      Views
      4.7k
      10

    4. harob

      March 25, 2026 at 3:47 PM

    2. Nachträgliche Rufnummernportierung bei bestehendem Vertrag 5

      • senni
      • March 24, 2026 at 1:39 PM
      • senni
      • March 24, 2026 at 3:31 PM
    3. Replies
      5
      Views
      566
      5

    4. harob

      March 24, 2026 at 3:31 PM

    2. Daten Roaming funktioniert nicht 36

      • ClassicSchnitzel
      • March 22, 2026 at 2:26 PM
    3. Replies
      36
      Views
      15k
      36

    4. Linda

      March 22, 2026 at 2:26 PM

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