16641 W 16th St Sioux City IA 51103
- Latitude
- 42.50724
- Longitude
- -96.43094
- ZCTA centroid
- 42.5197, -96.4493
- Time zone
- America/Chicago
Coordinates fall inside the ZIP boundary. Street numbers are drawn from ranges with no delivery point. The city name shown is the official place boundary for this point — the USPS last-line city source is not yet live for every ZIP.
Sioux City Address Data
Every figure below is measured from the underlying dataset, not estimated — the same data the generator above draws from. Need more than a handful of records? Bulk export returns up to 10,000 rows in one request, with no account required.
ZIP codes
51103, 51104, 51105, 51106, 51108, 51109, +1 more
County
FIPS 19193
IA address format
USPS Publication 28 last line: Sioux City, IA 51109
Telephone area code(s)
State-precision — not yet resolved to county/rate-centre.
Bounding box / centroid
bbox -96.532, 42.386 → -96.233, 42.651
Top real street names
- Morningside Ave76 segments
- S Lakeport St62 segments
- Hamilton Blvd61 segments
- Correctionville Rd53 segments
- West St52 segments
- Floyd Blvd51 segments
Street-suffix distribution
- St3810 streets
- Ave1240 streets
- Dr397 streets
- Blvd379 streets
- Rd349 streets
- Ct91 streets
Population
official place boundary: Sioux City city
Frequently Asked Questions
Is it legal to use a random address generator for Sioux City addresses?
Yes, for testing and development — using a random address generator becomes illegal only when the output is used to deceive a real system, such as a government form or a bank. See the full legal guide for the specific statute, 18 U.S.C. § 1342, and what it actually covers.
Will these Sioux City addresses pass address validation?
They pass format and parser validation, because every Sioux City record is postal-format-valid per USPS Publication 28. They deliberately fail Delivery Point Validation, because the street number is drawn from a range with no registered delivery point — both are intentional.
Could a generated Sioux City address belong to a real person?
No. Every Sioux City record is built for geographic coherence from one point on a real street, with a street number chosen outside any range assigned to a real delivery point, so the address does not describe a real resident. The full method is on the methodology page.
Do the ZIP code, county and city always agree for Sioux City test data?
Yes. Woodbury County, the 319 area code, and the ZIP code shown are all derived from the same generated point inside a single ZIP Code Tabulation Area, checked on every build. See the validation harness for the exact method.
Can I generate Sioux City addresses in bulk?
Yes — up to 10,000 rows at once, in CSV, JSON, NDJSON, or SQL, with no account required. Add ?seed= to get the same Sioux City records back on every run, which is useful for a CI fixture.
What is the difference between a fake address and a random address generator?
A fake address is meant to deceive a real recipient. A random address generator like Fake Addresses produces postal-format-valid, non-deliverable Sioux City test data with no real recipient and no deception intended — the full comparison is in this guide.
Nearby and Related
More Sioux City test data
Prohibited uses of Fake Addresses test dataProhibited use
Do not use these addresses to deceive anyone. Do not use them on government forms, tax filings, financial or KYC applications, school-enrolment records, voter registration, insurance claims, shipping labels, or anywhere a truthful address is legally required. In the US, using a fictitious address to defraud through the mail is a federal crime under 18 U.S.C. § 1342.