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Sour Lake Texas ZIP Codes

Sour Lake holds a single ZIP code.

Every ZIP code in Sour Lake

The complete list of Sour Lake, Texas ZIP codes with the county each falls in.
ZIP codeCounty
77659Hardin 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Sour Lake codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Sour Lake. 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 Sour Lake ZIP code begins 776. Those first three digits identify the sectional center facility that processes mail for this part of Texas. Statewide that range covers 36 ZIP codes, so Sour Lake accounts for 3% of it.

Every Texas ZIP prefix and the region it covers →

Area codes covering Sour Lake

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 Sour Lake occupies.

Sour Lake Texas area codes in full →

Where Sour Lake's ZIP codes sit

Each point is one Sour Lake ZIP code, plotted from its record coordinates.
  • Reference points and footprint
  • Not an official NANPA boundary
  • Not a USPS delivery area

Cities near Sour Lake

The closest places to Sour Lake with their own ZIP code list, nearest first.
CityDistanceZIP codes
Nome Texas ZIP codes7.3 mi1 ZIP code
China Texas ZIP codes7.8 mi1 ZIP code
Devers Texas ZIP codes13 mi1 ZIP code
Lumberton Texas ZIP codes14 mi1 ZIP code
Daisetta Texas ZIP codes14 mi1 ZIP code
Beaumont Texas ZIP codes16 mi13 ZIP codes
Kountze Texas ZIP codes17 mi1 ZIP code
Silsbee Texas ZIP codes20 mi1 ZIP code

Straight-line distance between place reference points, not driving distance.