How to contact shreveport city hall for administrative procedures? For all your administrative procedures, you can go to the Shreveport City Hall at the address and schedules indicated on this page or contact the City Hall’s Customer Service by phone or by email depending on your preference or on the service's availability. Where to apply for a passport in Shreveport, LA?Where is the city of shreveport located? The City of Shreveport is Located in the state of LA. We have compiled the ultimate Database of phone numbers from around the state and country to help you locate any lost friends, relatives or family members.Where is the post office in shreveport la? Post Office in Shreveport, LA - Shreveport Main Office Location Shreveport Main Office Post Office NOTICE: The Postal Service is an essential government service, and will remain open wherever possible. 2400 Texas Ave, Shreveport, LA 71102