Denison Texas ZIP Codes
Denison holds 2 ZIP codes, all inside one county and one postal prefix.
Every ZIP code in Denison
| ZIP code | County |
|---|---|
| 75020 | Grayson County |
| 75021 | Grayson County |
We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Denison codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Denison. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated . ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.
How these codes cluster
Every Denison ZIP code begins 750. Those first three digits identify the sectional center facility that processes mail for this part of Texas. Statewide that range covers 84 ZIP codes, so Denison accounts for 2% of it.
Every Texas ZIP prefix and the region it covers →
Area codes covering Denison
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Denison occupies.
Denison Texas area codes in full →
Where Denison's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Denison
| City | Distance | ZIP codes |
|---|---|---|
| Pottsboro Texas ZIP codes | 5.2 mi | 1 ZIP code |
| Sherman Texas ZIP codes | 9.9 mi | 3 ZIP codes |
| Southmayd Texas ZIP codes | 12 mi | 1 ZIP code |
| Bells Texas ZIP codes | 14 mi | 1 ZIP code |
| Sadler Texas ZIP codes | 16 mi | 1 ZIP code |
| Savoy Texas ZIP codes | 17 mi | 1 ZIP code |
| Tom Bean Texas ZIP codes | 18 mi | 1 ZIP code |
| Howe Texas ZIP codes | 18 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.