Contact Information

Contact us by Email, Telephone or Snail Mail

Bertram Wireless Headquarters

We take our customer care very seriously. While our aim is to make our website easy to understand and navigate, we know there are times when you may need a bit of assistance.

We have provided a number of ways for our Customer Care team to help you: contact

Bertram Wireless, 300 Industrial Drive, Random Lake, WI 53075


920-994-9990 fax



For New Service availability in and around your community, please allow 3 days for us to complete evaluation of availability: new_service@bertramwireless.com 

If you're a motivated self-starter looking for a job in a rapidly growing company, we may have a place for you. Please send resume to: employment@bertramwireless.com

Support and billing questions will be answered by phone only. We have extended hours to accommodate these issues. Payment info, upgrading and viewing your account can be completed by logging into your Customer Portal on the home page of this website and hit the "Wireless Payment" button. If you don't have a username and password, please contact us.

Telephone: 920-351-1023

***Thanksgiving Holiday Hours******

Bertram Wireless would like to wish you a safe and Happy Thanksgiving holiday. In observance of the holiday, we will be open regular hours on Wednesday, November 26th, closed on Thursday, November 27th and will be open on Friday from 8am-12pm and Saturday from 9am-1pm for phone support. We appreciate you choosing us as your Internet provider and wish you and yours a Happy Thanksgiving.


HOURS OF SUPPORT BY PHONE -  Monday - Friday 8am-8pm, Saturday 9-1pm.

Regular Walk-in Office Hours - 8 am - 5 pm, Monday - Friday.



Snail Mail:

Send your inquiries to: 

Bertram Wireless

Attention: Customer Care Center

300 Industrial Drive

Random Lake, WI 53075