What is the postal code of Sioux City, Iowa, United States?

The postal code for Sioux City in Iowa, United States is 51105. This is the official postal code used for mail delivery to this area.

Is 51105 the correct postal code for Sioux City?

Yes, 51105 is the verified postal code for Sioux City, Iowa, United States. Always use this code when sending mail or packages to this location.

How many postal codes does Sioux City have?

Sioux City area has 5 postal code(s). The primary postal code is 51105.

What is the postal code format for Sioux City?

The postal code Sioux City for 51105 follows the format 'NNNNN or NNNNN-NNNN' and consists of 5 characters.

Where exactly is Sioux City located?

Sioux City is located in Iowa, United States at coordinates 42.49999000° latitude and -96.40031000° longitude.

How do I address mail to Sioux City?

When addressing mail to Sioux City, include the postal code 51105, the district name 'Sioux City', city 'Iowa', and country 'United States' (US).

What is the country code for sending mail to Sioux City?

Use country code 'US' and postal code 51105 when sending international mail to Sioux City, Iowa, United States.

Can I track packages sent to Sioux City with postal code 51105?

Yes, packages sent to Sioux City with postal code 51105 can be tracked using the tracking number provided by your shipping carrier.

What phone code should I use to call Sioux City?

To call Sioux City from abroad, dial +1 followed by the local number. The international country code for United States is US.

Is Sioux City a safe area in Iowa?

Sioux City is an established area in Iowa, United States. For specific safety information, please consult local resources and travel advisories.

Postal Codes of Sioux City, Iowa, United States

Country

United States

Location

Sioux City

Postal Code

51105

What is Sioux City (United States) postal/zip code?

The postal code for Sioux City is 51105. Postal codes in Sioux City consist of 5 characters following the format NNNNN or NNNNN-NNNN. Sioux City is located in Iowa, United States, and is part of the Northern America region. This postal code is essential for accurate mail delivery, online shopping, and official documentation. Whether you're sending a package, filling out a form, or verifying an address, using the correct postal code ensures your mail reaches its destination without delays. You can scan the QR code on the right to quickly save or share the complete address information for Sioux City.

Scan Address

How to Address Mail to Sioux City

Standard Address Format (click to edit)

RecipientJohn Doe

Street123 Example Street

DistrictSioux City

City & Postal51105 Iowa

CountryUNITED STATES

Addressing Tips for United States - Sioux City

Postal code format: NNNNN or NNNNN-NNNN
Write postal code before the city name
Country name in UPPERCASE on last line
Include district name for faster delivery
ISO country code: US

Shipping to Sioux City, United States

🇺🇸

Domestic Delivery

1-5 days

Within United States

International

7-21 days

Varies by origin

Customs Threshold

Duty-free limit

Local Carriers in Sioux City

USPS UPS FedEx

Sioux City: International Carriers

DHL FedEx UPS

Shipping Tips (Sioux City)

Always include postal code 51105 for faster delivery
Items above $0 may incur customs duties
Track your package using the carrier's tracking number
Consider insurance for valuable shipments

Sioux City United States Location Information

Region Americas
Subregion Northern America
State Iowa
Phone Code +1
Currency USD
Coordinates 42.5, -96.4003

This page provides information on postal codes and administrative divisions in Sioux City, Iowa. We also provide a corresponding map on which you can view the exact location. Iowa has 383 districts. The currency used in Sioux City is United States Dollar (USD) and to make a call to this area you must first dial +1. Sioux City is located in the Americas subregion of Northern America. You can check the current local time in Sioux City before making a call.

5 Postal Codes in Sioux City

Area	State	Place	Postal Code
Sioux City	Iowa	Sioux City	51105
Sioux City	Iowa	Sioux City	51101
Sioux City	Iowa	Sioux City	51103
Sioux City	Iowa	Sioux City	51104
Sioux City	Iowa	South Sioux City	68776

Sioux City is located in Iowa, United States. Known as the ZIP Code. The postal codes listed above cover all areas within Sioux City.

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Frequently Asked Questions

The postal code of Sioux City, Iowa, United States is 51105. This 5-character code follows the format NNNNN or NNNNN-NNNN.

Sioux City has approximately 5 postal codes covering different areas and neighborhoods within the district.

Sioux City is located in Iowa, United States. It is part of the Americas region and Northern America subregion. The coordinates are 42.49999000, -96.40031000.

To call Sioux City, United States, you need to dial the international code +1 followed by the local number.

The currency used in Sioux City, United States is United States Dollar (USD). The currency symbol is $.

The nearest major city to Sioux City is Iowa, approximately 0 km away.

You can verify Sioux City postal codes on PostalZipCode.co. Enter the postal code in the search bar to see its location, district, and city details.

Nearby Locations

City	State	Distance	Latitude	Longitude
Sergeant Bluff	Iowa	11 km	42.404	-96.359
Moville	Iowa	27 km	42.489	-96.073
Plymouth County	Iowa	31 km	42.738	-96.214
Woodbury County	Iowa	32 km	42.39	-96.045
Kingsley	Iowa	37 km	42.588	-95.968
Le Mars	Iowa	38 km	42.794	-96.166
Akron	Iowa	39 km	42.829	-96.559
Remsen	Iowa	49 km	42.815	-95.973
Hawarden	Iowa	56 km	42.996	-96.485
Onawa	Iowa	58 km	42.027	-96.097

Other United States in States

State	Distance	Latitude	Longitude
Nebraska	310 km	41.493	-99.902
South Dakota	327 km	43.97	-99.902
Kansas	426 km	39.012	-98.484
Minnesota	489 km	46.73	-94.686
Illinois	618 km	40.633	-89.399

Sioux City in Other Languages

Postal Codes by Country

Country	Distance	Latitude	Longitude
Canada	1,948 km	60	-95
Mexico	2,229 km	23	-102
Bahamas	2,761 km	24.25	-76
Cuba	2,789 km	21.5	-80
Belize	2,900 km	17.25	-88.75