Office Cubical & Postal Services (OCPS), an independently owned company, located in Tampa Florida Office Cubical & Postal Services is a retail and service business, offering a wide variety of business and personal services as well as related retail products and merchandise services. These services will include, but are not limited to USPS and UPS shipping, packaging of items, international shipments, and private Mail Box rentals. We offer our customers the highest level of service.