| Highway Post Office | 3/31/2024 |
| Idx | Sc. # | Ref | Img | Cachetmaker | C# | Description | Methods | #Made |
| 1 | Events | 19490204 | | United States Post Office Department | 1 | HPO: First Trip - Greensboro & Boone, NC, Trip 2; Highway Post Office | rsc | |
| 2 | Events | 19490331 | | United States Post Office Department | 1 | HPO: First Trip Charlotte & Ellerbe, NC, Trip 2; Highway Post Office | rsc | |
| 3 | Events | 19490401 | | United States Post Office Department | 1 | HPO: First Trip Charlotte & Marion, NC, Trip 1; Highway Post Office | rsc | |
| 4 | Events | 19491129 | | United States Post Office Department | 1 | HPO: First Trip Greensboro, NC & Florence, SC, Trip 1; Highway Post Office | rsc | |
| 5 | Events | 19491130 | | United States Post Office Department | 1 | HPO: First Trip Roanoke, VA & Greensboro, NC, Trip 2; Highway Post Office | rsc | |
| 6 | Events | 19500201 | | United States Post Office Department | 1 | HPO: First Trip Richmond, VA & Sanford, NC, Trip 1; Highway Post Office | rsc | |
| 7 | Events | 19500201 | | United States Post Office Department | 1 | HPO: First Trip Richmond, VA & Sanford, NC, Trip 2; signed by Postmaster; Highway Post Office | rsc | |
| 8 | Events | 19501120 | | United States Post Office Department | 1 | HPO: First Trip Suffolk, VA & Rocky Mount, NC, Trip 1; Highway Post Office | rsc | |
| 9 | Events | 19501120 | | United States Post Office Department | 1 | HPO: First Trip Suffolk, VA & Rocky Mount, NC, Trip 2; Highway Post Office | rsc | |
| 10 | Events | 19501121 | | United States Post Office Department | 1 | HPO: First Trip Rocky Mount, NC & Beaufort, NC, Trip 1; Highway Post Office | rsc | |
| 11 | Events | 19560927 | | Uncacheted | 1 | HPO: First Trip Roanoke, VA & Winston-Salem, NC, Trip 2; Highway Post Office | | |
| 12 | Events | 19560927 | | Unknown | 1 | UNK01; HPO: First Trip Roanoke, VA & Winston-Salem, NC, Trip 1; Highway Post Office | | |
| 13 | Events | 19570914 | | Unknown | 1 | UNK01; HPO: First Trip Kinston, NC & Greensboro, NC, Trip 1; Highway Post Office | | |
| 14 | Events | 19570914 | | Unknown | 1 | UNK01; HPO: First Trip Kinston, NC & Greensboro, NC, Trip 2; Highway Post Office | | |
| 15 | Events | 19570914 | | Unknown | 1 | UNK02; HPO: First Trip Kinston, NC & Greensboro, NC, Trip 1; Highway Post Office | | |
| 16 | Events | 19570914 | | Unknown | 1 | UNK02; HPO: First Trip Kinston, NC & Greensboro, NC, Trip 2; Highway Post Office | | |