zip4lookup

ZIP Code 12721 — Bloomingburg, NY

12721 is a standard (street delivery) ZIP code serving Bloomingburg, New York, in Sullivan 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.

Free. No account needed.

ZIP code 12721 at a glance

ZIP code12721
Primary cityBloomingburg
StateNew York (NY)
CountySullivan FIPS 36105
ZIP typeStandard (street delivery)
Time zoneAmerica/New_York
Population7,359
Coordinates41.567410, -74.428320

How ZIP+4 works in 12721

The four digits after the hyphen encode a delivery segment inside 12721. In practice one segment usually means:

That is why 12721 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 12721.

ZIPCityDistance
12722 Burlingham, NY 3.2 mi
10919 Circleville, NY 3.6 mi
10985 Thompson Ridge, NY 3.7 mi
12781 Summitville, NY 4 mi
10915 Bullville, NY 4.1 mi
12790 Wurtsboro, NY 4.8 mi
10932 Howells, NY 6.2 mi
12566 Pine Bush, NY 6.2 mi
12769 Phillipsport, NY 6.7 mi
10941 Middletown, NY 6.9 mi
12483 Spring Glen, NY 7 mi
12420 Cragsmoor, NY 7.8 mi

Questions about 12721

What is the ZIP+4 code for 12721?

12721 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 12721, you need to look up a specific street address to get them.

What city is 12721?

12721 is assigned to Bloomingburg, New York, in Sullivan 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.

Need thousands of these?

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

Bulk lookup API docs