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ZIP Code 5: 57421 - AMHERST, SD
ZIP Code 57421 is the postal code in AMHERST, SD. Besides the basic information, it also lists the full ZIP code and the address of ZIP code 57421. Whatsmore, there is more information related to ZIP Code 57421. For example, nearby ZIP code around ZIP Code 57421, etc.
ZIP 57421 Basic Information
The basic information of ZIP Code 57421 is as follows, including: country, county, city, FIPS and etc.
State County City ZIP Code 5 SD - South Dakota Brown County AMHERST 57421 SD - South Dakota Marshall County AMHERST 57421 📌It means zip code 57421 is across counties/cities.
What is the plus 4 zip code for 57421 ZIP Code? Below is the detail.
57421 ZIP+4 Code List
What are the 4 digit zip extensions of ZIP Code 57421? ZIP code 57421 has many plus 4 codes, and each plus 4 code corresponds to one or more addresses. Below we list all the ZIP+4 codes and their addresses in the ZIP Code 57421. You can find a 9-digit ZIP Code by a full address.
ZIP Code 5 Plus 4 Address 57421-5508 41600 (From 41600 To 41699) 112TH ST, AMHERST, SD 57421-5509 11000 (From 11000 To 11099) 416TH AVE, AMHERST, SD 57421-5510 41500 (From 41500 To 41599) SD HIGHWAY 10, AMHERST, SD 57421-5511 41400 (From 41400 To 41499) SD HIGHWAY 10, AMHERST, SD 57421-5512 41300 (From 41300 To 41399) SD HIGHWAY 10, AMHERST, SD 57421-5513 41200 (From 41200 To 41299) SD HIGHWAY 10, AMHERST, SD 57421-5514 10900 (From 10900 To 10998 Even) 412TH AVE, AMHERST, SD 57421-5515 41600 (From 41600 To 41699) 111TH ST, AMHERST, SD 57421-6100 10900 (From 10900 To 10999) 411TH AVE, AMHERST, SD - ‹‹
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Post Office in ZIP Code 57421
AMHERST is the only post office in ZIP Code 57421. You can find the address, phone number, and interactive map below. Click to view the service and service hours about AMHERST.
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AMHERST Post Office
Address 519 FRONT ST, AMHERST, SD, 57421-9998
Phone 605-294-5316
*No Parking Available
How to write a U.S. envelope?
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First, you need to fill in the recipient's mailing information in the center of the envelope. The first line is the recipient's name, the second line is the street address with a detailed house number, and the last line is the city, state abbr, and ZIP Code.
Second, write the sender's information on the left top corner of the envelope. If your mail cannot be delivered, it will return to the sender's address.
Finally, don't forget to stick the stamp on the right top corner. Otherwise, the letter will not go into the delivery process.
Here is the envelope example below.
What does each digit of ZIP Code 57421 stand for?
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The first digit designates a national area, which ranges from zero for the Northeast to nine for the far West.
The 2-3 digits represent a sectional center facility in that region.
The last two digits designate small post offices or postal zones.
Random Address in ZIP 57421
ZIP 57421 Online Map
This is online map of the address AMHERST, Brown County, South Dakota. You may use button to move and zoom in / out. The map information is for reference only.
ZIP Code 5: 57421 - AMHERSTZIP 57421 NearBy ZIP Code
The Nearby ZIP Codes are 57432, 57430, 57454, 57449, and 57446, you can find ZIP codes in a 25km radius around ZIP Code 57421 and the approximate distance between the two ZIP codes.
The data has a slight deviation for your reference only.