Postal Code
51576
Postal Code 51576
Country United States
ISO Code US
ZIP Code 51576

Postal Information

Postal Code 51576
City Underwood
County Pottawattamie
Region Iowa
Country United States

Nearby Postal Codes

Distances are calculated geographically from this postal code, not from administrative boundaries.

Postal Code City Region Coordinates
51548 Mc Clelland Iowa 3.4 km
51593 Harlan Iowa 8.9 km
51503 Council Bluffs Iowa 11.0 km
51575 Treynor Iowa 12.9 km
51526 Crescent Iowa 13.0 km
51502 Council Bluffs Iowa 13.4 km
51501 Council Bluffs Iowa 13.9 km
68119 Omaha Nebraska 16.5 km
51559 Neola Iowa 17.1 km
51510 Carter Lake Iowa 17.1 km
68110 Omaha Nebraska 18.5 km
51554 Mineola Iowa 19.5 km
68101 Omaha Nebraska 19.6 km
68179 Omaha Nebraska 19.9 km
68102 Omaha Nebraska 19.9 km
68176 Omaha Nebraska 20.0 km

Postal Hierarchy

ZIP Code51576

ZIP Code (5 digits) with optional ZIP+4 extension.

About ZIP Code 51576 in Underwood, Iowa

ZIP Code 51576 for Underwood, Iowa is part of the United States postal code system, which uses a numeric code of 5 (or 5+4) digits (e.g. 10001). Addresses here are organised as State → County → City. Within the code structure it maps to ZIP Code 51576.

Administratively it is recorded in Pottawattamie, Iowa within United States. Postal codes are assigned by delivery route rather than by administrative boundary, so a single code can cover more than one locality and a locality can fall under several codes.

No building-level records are held for this code in the imported dataset, so only the code and its location details are shown. The absence of records does not mean the zip code is unused.

Couriers, e-commerce checkout forms and address autocomplete tools all rely on the zip code to route mail and to check that a stated address matches the code. Because a zip code identifies a delivery area rather than a single building, two addresses that share the same code can still be some distance apart.

Always write United States ZIP Code in full when completing a form, including any leading zero. Enter a valid US ZIP Code, e.g. 10001 or 10001-1234. Data source: a third-party open dataset. This is a reference snapshot, not a live government feed, so confirm the code with the sender, carrier or postal authority before relying on it.

Buildings & Addresses for This Code

No building-level records were found for this postal code in the imported dataset.
Information provided on CodeReff is for reference purposes only. Always verify financial and banking details with the relevant institution before use.