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Contact us

  • Head Quarter
    Address
    99 Moo 3 Chaengwatthana Rd., Lak Si, Bangkok 10210-0298

    Open
    Mon-Fri 08.30 – 16.30 hrs.

    Telephone
    0 2104 3000

    Fax
    0 2104 3000

    Map
    • CAT Tower
      Address
      Address 72 Soi Wat Maungkae, Charoenkrung Rd., Bang Rak, Bangkok 10500

      Open
      Mon-Fri 08.30 – 16.30 hrs.

      Telephone
      0 2104 1000

    • Government / State Enterprise Sale Department
      Address
      Address 99 Moo 3, Customer Service Building, 4th Floor, Chaengwatthana Rd., Lak Si, Bangkok 10210-0298

      Open
      Mon-Fri 08.30 – 16.30 hrs.

      Telephone
      0 2104 4401-3, 0 2104 4776-82

      Fax
      0 2104 4401-3, 0 2104 4776-82

    • Nonthaburi Telecommunication Center
      Address
      Address 53/58 Moo 8 Tiwanon Rd., Tambon Bangkrasor, Amphoe Mueang, Nonthaburi 11000

      Open
      Mon-Fri 08.30 – 16.30 hrs.

      Telephone
      0 2104 7011, 0 2104 7168 - 9

      Fax
      0 2104 7170

    • Corporate Sale Department
      Address
      99 Moo 3, Customer Service Building, 2th Floor, Chaengwatthana Rd., Lak Si,Bangkok 10210-0298

      Open
      Mon-Fri 08.30 – 16.30 hrs.

      Telephone
      0 2104 4750-1, 0 2104 4753-8, 0 2104 4760-5

      Fax
      0 2104 4750-1, 0 2104 4753-8, 0 2104 4760-5

    • Domestic Wholesale Department
      Address
      99 Moo 3, Customer Service Building, 5th Floor, Chaengwatthana Rd., Lak Si,Bangkok 10210-0298

      Open
      Mon-Fri 08.30 – 16.30 hrs.

      Telephone
      0 2104 4408-11, 0 2104 4845-7

      Fax
      0 2104 4408-11, 0 2104 4845-7

    • International Wholesale Department
      Address
      99 Moo 3, Customer Service Building, 2th Floor, Chaengwatthana Rd., Lak Si,Bangkok 10210-0298

      Open
      Mon-Fri 08.30 – 16.30 hrs.

      Telephone
      0 2104 3881-2

      Fax
      0 2104 3883

    • Retail Marketing and Business Management Department
      Address
      99 Moo 3, Customer Service Building, 5th Floor, Chaengwatthana Rd., Lak Si,Bangkok 10210-0298

      Open
      Mon-Fri 08.30 – 16.30 hrs.

      Telephone
      0 2104 4649, 0 2104 3099

      Fax
      0 2104 4810

    • CAT Customer Service Office – Northern Region
      Address
      492 Chiang Mai – Lampang Rd., Tambon Tha Sala, Amphoe Mueang, Chiang Mai 50000

      Open
      Mon-Fri 08.30 – 16.30 hrs.

      Telephone
      0 5324 4663, 0 5326 1196, 0 5324 6658

      Fax
      0 5324 4663, 0 5326 1174-7 Ext. 4170

    • CAT Customer Service Office – Central Region
      Address
      525/9 Moo 10 Phahon Yothin Rd., Tambon Nakhon Sawan Tok, Amphoe Mueang, Nakhon Sawan 60000

      Open
      Mon-Fri 08.30 – 16.30 hrs.

      Telephone
      0 5622 8556, 0 5622 8558

      Fax
      0 5622 8558

    • CAT Customer Service Office –Eastern Region
      Address
      124 Moo10 South Pattaya Rd., Tambon Nong Prue, Amphoe Bang Lamung,Chon Buri 20150

      Open
      Mon-Fri 08.30 – 16.30 hrs.

      Telephone
      0 3842 5301

      Fax
      0 3842 67744

    • CAT Customer Service Office – Northeastern Region
      Address
      294/1 Soonratchakarn Rd., Tambon Nai Mueang, Amphoe Mueang, Khon Kaen 40000

      Open
      Mon-Fri 08.30 – 16.30 hrs.

      Telephone
      0 4324 1560-7

      Fax
      0 4324 3115

    • CAT Customer Service Office –Western Region
      Address
      162 Moo 4 Tambon Khok Mho, Amphoe Mueang, Ratchaburi 70000

      Open
      Mon-Fri 08.30 – 16.30 hrs.

      Telephone
      0 3232 6668 Ext. 4205

      Fax
      0 3232 6668 Ext. 4221

    • CAT Customer Service Office –Southern Region
      Address
      490/1 Phetkasem Rd., Tambon Hat Yai, Amphoe Hat Yai, Songkhla 90110

      Open
      Mon-Fri 08.30 – 16.30 hrs.

      Telephone
      0 7423 1080 Ext. 4209

      Fax
      0 7423 1080 Ext. 4106