Los Fresnos Texas ZIP Codes
Los Fresnos holds a single ZIP code.
Every ZIP code in Los Fresnos
| ZIP code | County |
|---|---|
| 78566 | Cameron 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Los Fresnos codes above are listed without a column we would have to invent.
Scope every ZIP code recorded for Los Fresnos. 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 Los Fresnos ZIP code begins 785. Those first three digits identify the sectional center facility that processes mail for this part of Texas. Statewide that range covers 68 ZIP codes, so Los Fresnos accounts for 1% of it.
Every Texas ZIP prefix and the region it covers →
Area codes covering Los Fresnos
ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The code below serves the same ground Los Fresnos occupies.
Los Fresnos Texas area codes in full →
Where Los Fresnos's ZIP codes sit
- Reference points and footprint
- Not an official NANPA boundary
- Not a USPS delivery area
Cities near Los Fresnos
| City | Distance | ZIP codes |
|---|---|---|
| Brownsville Texas ZIP codes | 5.9 mi | 5 ZIP codes |
| San Benito Texas ZIP codes | 10 mi | 1 ZIP code |
| Rio Hondo Texas ZIP codes | 13 mi | 1 ZIP code |
| Port Isabel Texas ZIP codes | 15 mi | 1 ZIP code |
| Harlingen Texas ZIP codes | 15 mi | 4 ZIP codes |
| Los Indios Texas ZIP codes | 15 mi | 1 ZIP code |
| Combes Texas ZIP codes | 19 mi | 1 ZIP code |
| South Padre Island Texas ZIP codes | 20 mi | 1 ZIP code |
Straight-line distance between place reference points, not driving distance.