State Long Distance Telephone Company offers long distance service at competitive rates of $0.10 per minute for interstate calls and $0.12 per minute for intrastate calls, with no monthly fee or surcharges. Customers receive one monthly telephone bill and customer service is provided locally by State Long Distance Telephone Company representatives. State Long Distance Telephone Company also offers incoming 800 number service at competitive rates. Please call our business office at 262-723-5300 for more information. To view the SLD Long Distance Services Agreement or the SLD Long Distance Rates, Terms & Conditions documents, click on the following links.