ZIP Code Extractor

The ZIP Code Extractor scans text and pulls out every postal code it can find, returning a table that labels each match with its format. By default it detects United States ZIP codes in both the five-digit and nine-digit ZIP+4 styles, and you can switch on additional detection for United Kingdom and Canadian postal codes when your data spans more than one country.

It is designed for anyone processing addresses in bulk — logistics and shipping teams, marketers building regional lists, data cleaners tidying up exports, or researchers extracting location data from documents. Instead of eyeballing long blocks of address text, you get a clean, deduplicated list of postal codes ready to feed into mapping, segmentation, or delivery workflows.

Everything runs locally in your browser using JavaScript, so no data is uploaded and no account is needed. Paste your text, choose which country formats to include, and read the resulting table with duplicate removal and optional sorting applied. Because processing stays on your device, address data and customer records remain completely private.

Features

• Detects US ZIP codes in both five-digit and nine-digit ZIP+4 formats.
• Optionally recognises UK postal codes such as SW1A 1AA.
• Optionally recognises Canadian postal codes such as K1A 0B1.
• Labels every match with its detected format in the results table.
• Removes duplicate codes so each unique value appears only once.
• Sorts the results alphabetically when you want an ordered list.
• Runs entirely in your browser, keeping address data private.

How to use ZIP Code Extractor

1. Paste the text that contains addresses or postal codes into the input box.
2. Enable UK and Canadian detection if your data includes those formats.
3. Choose whether to remove duplicates and whether to sort the results.
4. Review the table showing each code alongside its detected format.
5. Check the count in the statistics panel to confirm how many were found.
6. Export the table to CSV, XLSX, or TXT, or copy it for your workflow.

Benefits

• Turns messy address text into a clean list of postal codes for mapping.
• Helps logistics teams extract delivery zones from documents quickly.
• Lets marketers build regional segments from pasted contact data.
• Keeps multi-country lists organised by labelling each code's format.
• Protects customer address data because nothing is uploaded anywhere.
• Saves manual effort compared with copying postal codes one by one.

US detection matches any five-digit sequence and the ZIP+4 form with a trailing hyphen and four digits, so both 90210 and 90210-1234 are captured and labelled accordingly. Because a five-digit ZIP shares the same shape as many other numbers, review the results when your text is number-heavy — for the tightest accuracy on mixed data, keep UK and Canadian detection off unless you need them.

UK and Canadian formats follow their well-known letter-and-digit patterns, and matched codes are normalised to uppercase so KM1A0b1 and K1A 0B1 group together. Duplicate removal is on by default and compares the code and format together, meaning the same value found in different formats is preserved separately. For deduplicating a plain list of codes afterwards, the Remove Duplicate Lines tool complements this extractor.