1908: "United States Official Postal Guide," 1908
1922: "United States Official Postal Guide," 1922 For Sale by the Superintendent of Documents, Government Printing Office, Washington, D. C.
Polk County, Florida
| Post Office | 1908 | 1922 |
| Alturas | - - - | - y - |
| Auburndale | - y - | - y - |
| Bareah | - y - | - - - |
| *Bartow (c. h.) | - y - | - y - |
| Bradley Junction | - - - | - y - |
| Brewster | - - - | - y - |
| Carters | - y - | - - - |
| Chicora | - y - | - - - |
| Chubb | - y - | - - - |
| Clay Center | - - - | - y - |
| Crooked Lake | - - - | - y - |
| Davenport | - y - | - y - |
| Dundee | - - - | - y - |
| Eagle Lake | - y - | - y - |
| Eloise | - y - | - - - |
| Enid | - y - | - y - |
| Eva | - - - | - y - |
| Florence Villa | - y - | - y - |
| Fort Meade | - y - | - y - |
| Fredonia | - y - | - - - |
| Frostproof | - y - | - y - |
| Galloway | - y - | - y - |
| Greenpond | - y - | - - - |
| Griffin | - y - | - - - |
| Haines City | - y - | - y - |
| Haskell | - y - | - y - |
| Hesperides | - - - | - y - |
| Homeland | - y - | - y - |
| Hurst | - y - | - - - |
| Kathleen | - y - | - y - |
| Kicco | - - - | - y - |
| Lake Alfred | - - - | - y - |
| Lake Buffam | - y - | - - - |
| Lake Hamilton | - - - | - y - |
| *Lakeland | - y - | - y - |
| Lake Wales | - - - | - y - |
| Loughman | - y - | - y - |
| Lucerne Park | - - - | - y - |
| Medulla | - y - | - - - |
| Millard | - y - | - - - |
| Morse | - y - | - - - |
| *Mulberry | - y - | - y - |
| Nalaca | - - - | - y - |
| Nichols | - y - | - y - |
| Panway | - y - | - - - |
| Pembroke | - - - | - y - |
| Pierce | - y - | - y - |
| Phosphoria | - y - | - - - |
| Rosalie | - y - | - - - |
| Socrum | - y - | - - - |
| Sumica | - - - | - y - |
| Tigerbay | - y - | - - - |
| Waverly | - - - | - y - |
| *Winterhaven | - y - | - y - |
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