That is how drugs such as Valium, Baclofen, Valproate and Neurontin work â by causing an increase of GABA production in the brain. Unfortunately, these drugs all have a plethora of side effects that they can cause as well as being potentially addictive, making them a poor solution for long-term use.
USPS Customer Service. 1  USPS contact numbers are available here for the customer to call the USPS phone number and speak to the representative. 2  Service number: 1-800-275-8777. 3  Domestic & International USPS Tracking: 1-800-222-1811.
Use the USPS website's Email Us form. Select an inquiry type that most closely relates to the complaint or question that you have. On the website, you can also file a claim or request a refund for shipping. Call 1-800-ASK-USPS (1-800-275-8777) or TTY: 1-800-877-8339. Speak to the station manager (postmaster) at a local post office. Write to the U.S. Postal Service's Consumer Advocate office at: