Power & Energy
- Atmos Energy - 888-286-6700 - Website
- Grayson/Collin Electric(GCEC) - 903-482-5231 - Website
- Oncor (TXU) Electric - 800-242-9113 - Website
Cable, Phone, & Internet
- AT&T (new service) - 866-921-4482 - Website
- AT&T (existing service) - Website
- Grayson Collin Communications - 903-482-7000 - Website
- Suddenlink (Cable TV/High Speed Internet) - 877-794-2724 - Website
Collin County
- Collin County Sheriff's Department 972-547-5100
- Collin County Courthouse - 972-548-4134
- Collin County Clerk's Office - 972-548-4134
- Collin County Tax Assessor Office - 972-547-5020
- Collin County Animal Services - 972-547-7292
View Collin County's website.
Anna Independent School District
- Anna ISD - 972-924-1000
- Joe K. Bryant Elementary School - 972-924-1300
- Sue Rattan Elementary School - 972-924-1400
- Anna Middle School - 972-924-1200
- Anna High School - 972-924-1100
View the Anna Independent School District's website.
Others
- Greater Anna Chamber of Commerce - 972-924-8533 Website
- Anna Post Office - 972-924-3350 - Website