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Odessa (The Hillsborough & Pasco postal code)

The postal code of 33556 (designated as Odessa) is split between Keystone in Hillsborough County and a portion of Pasco County named “Odessa”.  Confusing? Yes.  However, the post office designated as “Odessa” located on Tarpon Springs Road in Keystone was moved to Pasco County in 2011.  An admirable goal would be for Keystone to have its own postal code and post office.

A Little History

Since the Mobley family settled here in the mid 1800’s our community has transformed from pine forests to the citrus groves, ranches, farms, estates, neighborhoods, social, civic, service clubs and churches that shape the current Keystone lifestyle.

The Keystone, Odessa, Citrus Park Historical Society captured the area’s richness in a fascinating publication that is available at the Keystone Village Barber Shop on Gunn Hwy. 

Our Keystone Civic Association was formed in the 1930’s for civic improvement and promotion of our interests, welfare, and ideals.

View PDF

Today & Tomorrow

Keystone is safe and enjoyable for our families.  We are definitely not in the city or even the suburbs.  If you work in the city you come “home” to peace and quiet. 

One of the resources that helps preserve what we cherish and shapes Keystone’s future is the Keystone-Odessa Community Plan that many Keystoners developed in 2001 and reaffirmed in 2011.  Our Plan promotes stability and vitality as it embraces Keystone’s character and embodies our long term vision.  We who Live In and Love Keystone affirm its value for our community.

Keystone's Character

Keystone is predominately a rural area of two-lane roads, wooded areas, lakes, ranches, farms, estates, and open spaces.

With unique architectural designs, homes are built on varied lot sizes and in a scattered development pattern.  Retail businesses are clustered in light density and agricultural businesses are found throughout our community. 

Keystone strives for sustainability through a balance of historical and emerging lifestyles, agricultural base, and natural resources

The Keystone Area (Hillsborough)

Located in the Northwest corner of Hillsborough County, the Keystone area is bordered on the west by Pinellas County, on the north by Pasco County, on the east by the Sun Coast Parkway / Dale Mabry Highway, and on the south by South Mobley Road. (map)

The Keystone area covers 32 square miles and,

  • We have 6,334 acres of agricultural and farm land: 56 named lakes and many more wetland areas; 5,700 acres of preserved lands; and our population density is light, approximately 0.52 person per acre, 334 people per square mile (based on the 2009 population estimate of 10,700).
  • The agricultural, water and wooded areas are our rural footprints.


The Keystone Community (Hillsborough)

Keystone families reflect our diverse social fabric, be they business leaders, horsemen, farmers, horticulturists, health care practitioners, professional athletes, shop owners, and retirees.

Some are long-time and multi-generational families while others have relocated here for the lifestyle and peaceful surroundings.
  •   40% of our residents are of the age 35-54 years.

  •   Many of us have management and professional occupations.

  •   Median family income is $113,651 vs  $61,450 in the county.

Here is a teaser list of some of our community organizations.  Click here for their contact information :
          Keystone Quilters                      Fern Garden Club          
          American Legion                       Home Makers
          Meals on Wheels                       American Sewing Guild
          Friends of the Library               Animal Rescue
          Boy & Girl Scouts                       Keystone Motor Club
          4H and Future Farmers of America clubs
          Numerous churches and recreational clubs.

The Keystone Civic Association (KCA)

 The organization now known as the Keystone Civic  Association, was originally created during the 1930's and was  called the Odessa Lake Region Civic Association.

 It was created when the residents of the Keystone Community banded together for civic improvement and social benefits, together with promotion of interests, welfare and ideals of Northwest Hillsborough County. It became inactive during World War II.

The Civic Association was reactivated in 1948. Meetings were held in the Lake Fern School building that was located at the junction of Lutz-Lake Fern Road and Gunn Highway.

Early in 1958, the Association partnered with the County Parks Department for construction of a building on property that had been purchased for this purpose earlier in the decade. It was agreed that the county would pour the foundation, and furnish roofing and landscaping if the civic association would supply the concrete blocks, windows, and association labor. Within 30 days, over $3,000 was collected in support of the home for the civic association.  After many difficulties, false starts, delays, and arm twisting, the new building was dedicated on April 26, 1959 and has since been remodeled into the community center that stands today.