Menu
For Business Write a review File a complaint
United Microelectronics Corporation [UMC] Customer Service Phone, Email, Contacts

United Microelectronics Corporation [UMC]
Customer Service: Phone, Email, Contacts

www.umc.com

Learn how the rating is calculated

1.0 2 Complaints
Claim Your Business
Take control of your profile: address complaints and engage with reviews
Write a review File a complaint
  1. United Microelectronics Corporation [UMC] Contacts

  2. United Microelectronics Corporation [UMC] phone numbers
    +1 (408) 523-7800
    +1 (408) 523-7800
    Click up if you have successfully reached United Microelectronics Corporation [UMC] by calling +1 (408) 523-7800 phone number 0 0 users reported that they have successfully reached United Microelectronics Corporation [UMC] by calling +1 (408) 523-7800 phone number Click down if you have unsuccessfully reached United Microelectronics Corporation [UMC] by calling +1 (408) 523-7800 phone number 0 0 users reported that they have UNsuccessfully reached United Microelectronics Corporation [UMC] by calling +1 (408) 523-7800 phone number
    United States
    +31 205 640 950
    +31 205 640 950
    Click up if you have successfully reached United Microelectronics Corporation [UMC] by calling +31 205 640 950 phone number 1 1 users reported that they have successfully reached United Microelectronics Corporation [UMC] by calling +31 205 640 950 phone number Click down if you have unsuccessfully reached United Microelectronics Corporation [UMC] by calling +31 205 640 950 phone number 0 0 users reported that they have UNsuccessfully reached United Microelectronics Corporation [UMC] by calling +31 205 640 950 phone number
    100%
    Confidence score
    Netherlands
    +86 512 6593 1299
    +86 512 6593 1299
    Click up if you have successfully reached United Microelectronics Corporation [UMC] by calling +86 512 6593 1299 phone number 1 1 users reported that they have successfully reached United Microelectronics Corporation [UMC] by calling +86 512 6593 1299 phone number Click down if you have unsuccessfully reached United Microelectronics Corporation [UMC] by calling +86 512 6593 1299 phone number 0 0 users reported that they have UNsuccessfully reached United Microelectronics Corporation [UMC] by calling +86 512 6593 1299 phone number
    100%
    Confidence score
    China
    +81 352 942 701
    +81 352 942 701
    Click up if you have successfully reached United Microelectronics Corporation [UMC] by calling +81 352 942 701 phone number 1 1 users reported that they have successfully reached United Microelectronics Corporation [UMC] by calling +81 352 942 701 phone number Click down if you have unsuccessfully reached United Microelectronics Corporation [UMC] by calling +81 352 942 701 phone number 0 0 users reported that they have UNsuccessfully reached United Microelectronics Corporation [UMC] by calling +81 352 942 701 phone number
    100%
    Confidence score
    Japan
    +65 62 130 018
    +65 62 130 018
    Click up if you have successfully reached United Microelectronics Corporation [UMC] by calling +65 62 130 018 phone number 1 1 users reported that they have successfully reached United Microelectronics Corporation [UMC] by calling +65 62 130 018 phone number Click down if you have unsuccessfully reached United Microelectronics Corporation [UMC] by calling +65 62 130 018 phone number 0 0 users reported that they have UNsuccessfully reached United Microelectronics Corporation [UMC] by calling +65 62 130 018 phone number
    100%
    Confidence score
    Singapore
    +82 221 831 790
    +82 221 831 790
    Click up if you have successfully reached United Microelectronics Corporation [UMC] by calling +82 221 831 790 phone number 1 1 users reported that they have successfully reached United Microelectronics Corporation [UMC] by calling +82 221 831 790 phone number Click down if you have unsuccessfully reached United Microelectronics Corporation [UMC] by calling +82 221 831 790 phone number 0 0 users reported that they have UNsuccessfully reached United Microelectronics Corporation [UMC] by calling +82 221 831 790 phone number
    100%
    Confidence score
    South Korea
    +886 35 782 258
    +886 35 782 258
    Click up if you have successfully reached United Microelectronics Corporation [UMC] by calling +886 35 782 258 phone number 1 1 users reported that they have successfully reached United Microelectronics Corporation [UMC] by calling +886 35 782 258 phone number Click down if you have unsuccessfully reached United Microelectronics Corporation [UMC] by calling +886 35 782 258 phone number 0 0 users reported that they have UNsuccessfully reached United Microelectronics Corporation [UMC] by calling +886 35 782 258 phone number
    100%
    Confidence score
    Taiwan
    More phone numbers
  3. United Microelectronics Corporation [UMC] emails
  4. United Microelectronics Corporation [UMC] address
    488 De Guigne Drive, Sunnyvale, California, 94085, United States
  5. United Microelectronics Corporation [UMC] social media
  6. Rachel
    Checked and verified by Rachel This contact information is personally checked and verified by the ComplaintsBoard representative. Learn more
    Dec 18, 2024

How to contact United Microelectronics Corporation [UMC] customer service?

What are the phone numbers for United Microelectronics Corporation [UMC]?

The phone numbers for United Microelectronics Corporation [UMC] are:

What is United Microelectronics Corporation [UMC]'s Email address?

United Microelectronics Corporation [UMC]'s Email address is (Support)

What are the social media links for United Microelectronics Corporation [UMC]?
What is the address of United Microelectronics Corporation [UMC]?

The address of United Microelectronics Corporation [UMC]'s is 488 De Guigne Drive, Sunnyvale, CA 94085, USA.

What is United Microelectronics Corporation [UMC]'s website?

United Microelectronics Corporation [UMC]'s website is www.umc.com

Additional information

Netherlands De entree 77, 1101 BH Amsterdam Zuidoost, The Netherlands
China
â„– 333, Xinghua Street, Suzhou Industrial Park, Suzhou, Jiangsu Province 215025, China
Japan
15F Akihabara Centerplace Bldg, 1 Kanda Aioi-Cho, Chiyoda-Ku,Tokyo 101-0029, Japan
Singapore
â„– 3, Pasir Ris Drive 12, Singapore 519528
South Korea
1117, Hanshin Intervally 24, 322, Teheran-ro, Gangnam-gu, Seoul, South Korea
Taiwan
â„– 3, Li-Hsin 2nd Road, Hsinchu Science Park, Hsinchu, Taiwan, R.O.C. 

Is ComplaintsBoard.com associated with United Microelectronics Corporation [UMC]?

ComplaintsBoard.com is not affiliated, associated, authorized, endorsed by, or in any way officially connected with United Microelectronics Corporation [UMC] Customer Service. Initial United Microelectronics Corporation [UMC] complaints should be directed to their team directly. You can find contact details for United Microelectronics Corporation [UMC] above.

ComplaintsBoard.com is an independent complaint resolution platform that has been successfully voicing consumer concerns since 2004. We are doing work that matters - connecting customers with businesses around the world and help them resolve issues and be heard.