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.
For International inquiries (for loss), customers should continue to call the USPSÂ® Corporate Call Center at 800-222-1811 to start that process. For International claims for damaged items, customers should go to their local Post Officeâ¢ and start that process using PS Form 2855. For more information, go to: .