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Ulm Arkansas ZIP Codes

Ulm holds a single ZIP code.

Every ZIP code in Ulm

The complete list of Ulm, Arkansas ZIP codes with the county each falls in.
ZIP codeCounty
72170Prairie 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We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP.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 Ulm codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Ulm. 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 Ulm ZIP code begins 721. Those first three digits identify the sectional center facility that processes mail for this part of Arkansas. Statewide that range covers 68 ZIP codes, so Ulm accounts for 1% of it.

Every Arkansas ZIP prefix and the region it covers →

Area codes covering Ulm

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 Ulm occupies.

Ulm Arkansas area codes in full →

Where Ulm's ZIP codes sit

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

Cities near Ulm

The closest places to Ulm with their own ZIP code list, nearest first.
CityDistanceZIP codes
Roe Arkansas ZIP codes5.7 mi1 ZIP code
Stuttgart Arkansas ZIP codes7.5 mi1 ZIP code
Clarendon Arkansas ZIP codes12 mi1 ZIP code
Almyra Arkansas ZIP codes12 mi1 ZIP code
De Valls Bluff Arkansas ZIP codes15 mi1 ZIP code
Holly Grove Arkansas ZIP codes15 mi1 ZIP code
Hazen Arkansas ZIP codes15 mi1 ZIP code
Humnoke Arkansas ZIP codes17 mi1 ZIP code

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