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ZIP Code 72128 — Poyen, AR

72128 is a standard (street delivery) ZIP code serving Poyen, Arkansas, in Grant County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.

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ZIP code 72128 at a glance

ZIP code72128
Primary cityPoyen
StateArkansas (AR)
CountyGrant FIPS 05053
ZIP typeStandard (street delivery)
Time zoneAmerica/Chicago
Population918
Coordinates34.315350, -92.638460

How ZIP+4 works in 72128

The four digits after the hyphen encode a delivery segment inside 72128. In practice one segment usually means:

That is why 72128 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.

Nearby ZIP codes

Showing the closest twelve. See every ZIP code within 25 miles of 72128.

ZIPCityDistance
72129 Prattsville, AR 4.8 mi
72167 Traskwood, AR 7.4 mi
72104 Malvern, AR 10.5 mi
72084 Leola, AR 12.6 mi
72015 Benton, AR 12.6 mi
72150 Sheridan, AR 13.8 mi
72011 Bauxite, AR 16.6 mi
71941 Donaldson, AR 18.5 mi
71725 Carthage, AR 20.1 mi
71942 Friendship, AR 21.3 mi
72022 Bryant, AR 21.8 mi
72057 Grapevine, AR 21.9 mi

Questions about 72128

What is the ZIP+4 code for 72128?

72128 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 72128, you need to look up a specific street address to get them.

What city is 72128?

72128 is assigned to Poyen, Arkansas, in Grant County.

Do I need to use the ZIP+4?

It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.

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Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.

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