By SARA VANDEN BERGE   Erath County residents who need assistance with food, healthcare, utilities, rent or childcare can find help by calling a United Way helpline .   Dialing 2-1-1 and entering a zip code will put community members in contact with a variety of resources that can help.     Lisa Scroggins, executive director of the Erath County United Way , said the helpline is open 24 hours a day, seven days a week in all languages.   “It’s a great program and easy to use,”