Address Phone Number and Business Hours for Dalton Post Office. In Georgia Dalton is ranked 466th of 752 cities in Post Offices per capita and 415th of 752 cities in Post Offices per square mile. Vintage Dalton Ga Postcard Dalton Georgia Big Letters Georgia Free fast and easy way find a job of 799000 postings in Dalton GA and other big cities in USA. Post office dalton ga . You can also call this GA post office at You can call the Dalton post office location at. About Dalton Post Office. Visit your local Post Office at 100 S Thornton Ave. East Side Post Office NOTICE. You can view the contact information for this office below including their passport phone number hours of operations street address and other additional information that may help you determine if. 706-279-0751 Click to call There is 1 comment. Monday 800am - 500pm. The Dalton Post Office is located in the state of Georgia within Whitfield County. USPS is committed to providing secure reliable and aff...