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Marietta Texas ZIP Codes

Marietta holds a single ZIP code.

Every ZIP code in Marietta

The complete list of Marietta, Texas ZIP codes with the county each falls in.
ZIP codeCounty
75566Cass 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Marietta codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Marietta. 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 Marietta ZIP code begins 755. Those first three digits identify the sectional center facility that processes mail for this part of Texas. Statewide that range covers 28 ZIP codes, so Marietta accounts for 4% of it.

Every Texas ZIP prefix and the region it covers →

Area codes covering Marietta

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 Marietta occupies.

Marietta Texas area codes in full →

Where Marietta's ZIP codes sit

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

Cities near Marietta

The closest places to Marietta with their own ZIP code list, nearest first.
CityDistanceZIP codes
Naples Texas ZIP codes8.1 mi1 ZIP code
Douglassville Texas ZIP codes11 mi1 ZIP code
Omaha Texas ZIP codes11 mi1 ZIP code
Hughes Springs Texas ZIP codes13 mi1 ZIP code
Daingerfield Texas ZIP codes15 mi1 ZIP code
Linden Texas ZIP codes15 mi1 ZIP code
Maud Texas ZIP codes16 mi1 ZIP code
Lone Star Texas ZIP codes19 mi1 ZIP code

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