Bulk Postal Code Lookup Tool

Look up postal code details from a list of codes within one country, or find postal codes from latitude and longitude coordinates worldwide. Upload an XLSX, XLS, CSV, or TXT file or paste rows directly, then download the results as CSV. Process up to 2,500 rows for free, or submit the full dataset as a paid background job.

Choose input type
Upload a fileSelect an Excel, CSV, or text file containing postal codes
Copy & PasteCopy and paste postal codes from a list or table

Choose one input mode per run. For postal-code lists, map the postcode column and select the country in the lookup settings. For coordinates, map latitude and longitude columns or paste latitude, longitude pairs. The downloaded CSV keeps your source columns.

How Bulk Postal Code Lookup Works

Postal-code mode searches within the country you select. Coordinate mode searches worldwide and returns the best available postcode-level match for each location. Use free browser processing for up to 2,500 rows, or paid background processing for the full file.

Free Bulk Postal Lookup

Up to 2,500 rows

Best for smaller lists and quick lookup jobs

  1. 1

    Upload or paste

    Add a spreadsheet, CSV, text file, or pasted list.

  2. 2

    Map and choose country

    Map your postal-code column and choose its country, or map coordinates.

  3. 3

    Run free batches

    Process up to 2,500 rows in 500-row browser batches.

  4. 4

    Download results

    Save matched postal codes and location fields as CSV.

Paid Bulk Postal Lookup

Full-file processing

Submit a larger list as a background job

  1. 1

    Add the full dataset

    Upload or paste every postal-code or coordinate row.

  2. 2

    Review lookup settings

    Confirm the input columns and country when searching postal codes.

  3. 3

    Review and pay

    Review the row-based price and submit the complete file.

  4. 4

    Background processing

    The lookup runs without browser batch pauses.

  5. 5

    Receive the CSV

    Use the task link or email notification to download the results.

You may also need

Use the single-record tool for a map and detailed inspection, or use an address converter when your file contains full street addresses.

Postal Code LookupInspect one postal code, address, city, or coordinate pair on a map.Try nowAddress to Lat/LonBulkConvert full address lists into latitude and longitude coordinates.Try nowLat/Lon to AddressBulkConvert coordinate lists into formatted address data.Try now

Frequently Asked Questions

Can I look up postal codes from different countries in one file?
Choose one country for each postal-code lookup. If your file contains several countries, run a separate lookup for each country. Coordinate lookup searches worldwide without a country filter.
Is the Bulk Postal Code Lookup Tool free?
Yes. Look up up to 2,500 rows for free in 500-row browser batches. Larger or uninterrupted runs can use paid background processing.
Can I find postal codes from coordinates in bulk?
Yes. Choose Coordinate list, add latitude and longitude pairs, map the columns, and run a worldwide lookup.
Which files can I upload?
Upload XLSX, XLS, CSV, or TXT files, or paste postal codes or coordinate pairs directly.
What does the result CSV contain?
The download keeps your original columns and adds the best available postal code match, coordinates, city, region, country, and formatted location fields. Coverage varies by country and available open data.