ZIP Code: 50120 - HAVERHILL, IA
ZIP Code 50120 is assigned to HAVERHILL, IA. In addition to basic details, this page includes the full ZIP+4 Codes and address information for ZIP Code 50120. You can also find related data, such as nearby ZIP Codes and other relevant geographic details.
50120 ZIP+4 Code List
ZIP Code 50120 includes many ZIP+4 Codes. Each ZIP+4 Code corresponds to a specific address or group of addresses. Below is a complete list of all ZIP+4 Codes within ZIP Code 50120, along with their associated addresses. You can also find a 9-digit ZIP Code by entering a full address.
| ZIP+4 Code | Address |
|---|---|
| 50120-0011 | PO BOX 11 (From 11 To 68), HAVERHILL, IA |
| 50120-0071 | PO BOX 71 (From 71 To 130), HAVERHILL, IA |
| 50120-1200 | 3200 (From 3200 To 3299) PARKER AVE, HAVERHILL, IA |
| 50120-7700 | 201 (From 201 To 299 Odd) 2ND AVE, HAVERHILL, IA |
| 50120-7701 | 202 (From 202 To 204 Even) 2ND AVE, HAVERHILL, IA |
| 50120-7702 | 103 (From 103 To 107 Odd) 2ND AVE, HAVERHILL, IA |
| 50120-7703 | 200 (From 200 To 206 Even) 2ND ST, HAVERHILL, IA |
| 50120-7704 | 300 (From 300 To 398 Even) 2ND ST, HAVERHILL, IA |
| 50120-7705 | 301 (From 301 To 399 Odd) 2ND ST, HAVERHILL, IA |
| 50120-7706 | 101 2ND ST, HAVERHILL, IA |
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Post Office in ZIP Code 50120
HAVERHILL is the only post office in ZIP Code 50120. You can find the address, phone number, and interactive map below. Click to view the service and service hours about HAVERHILL.
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HAVERHILL Post Office
Address 5 MAIN ST, HAVERHILL, IA, 50120-7714
Phone 641-475-3470
*Lot 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 50120 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 Code 50120
ZIP Code 50120 Map
This is the online map of HAVERHILL, Marshall County, Iowa. You can use the controls to move around and zoom in or out. Map information is for reference only.
Nearby ZIP Codes to 50120
Nearby ZIP Codes include 50141, 50162, 50078, 50158, and 50106. These ZIP Codes are located within approximately 25 kilometers of ZIP Code 50120. The listed distances are approximate and provided for reference only.
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