Seattle, Washington (United States)

There are currently 56 unique postal codes indexed for this city. The registered list includes: 98101, 98102, 98103, 98104, 98105, 98106, 98107, 98108, 98109, 98111, 98112, 98114, 98115, 98116, 98117, 98118, 98119, 98121, 98122, 98124, 98125, 98126, 98129, 98131, 98132, 98133, 98134, 98136, 98138, 98144, 98145, 98146, 98148, 98151, 98154, 98155, 98158, 98160, 98161, 98164, 98166, 98168, 98170, 98171, 98174, 98177, 98178, 98181, 98184, 98185, 98188, 98190, 98191, 98195, 98198, 98199.

Local phone numbers follow the dialing prefix rules. Numbers generated locally are 10 digits long and utilize regional area codes: 206.

Local Dialing: Within the same area, dial the standard subscriber number directly without country prefix.
International Dialing: To dial internationally, prepend the country dial code followed by the local area code and number.

No. These generated numbers are mock telephone numbers designed exclusively for software testing, quality assurance verification, and compliance mock databases. They cannot receive SMS or standard voice calls.

In the United States, the first three digits of a ZIP code typically refer to a specific sectional center facility (regional mail hub), while the last two digits represent the specific delivery area or post office within that zone.

You can browse the detailed neighborhood mapping table on our site, or visit the official postal authority website (such as USPS for the USA) and input the complete street, city, and state information to retrieve the exact code.

Yes. This website displays the standard 5-digit base postal codes. For actual mailing, a hyphen followed by a 4-digit extension (e.g., 90001-1234) can be appended to identify specific street segments, buildings, or post office boxes.

No. The numbers use real regional area codes, but the subscriber numbers are randomly generated mock sequences. They are intended for developers to test input validation and UI formatting in application workflows. They cannot make or receive actual calls.

Our database is periodically synchronized with official postal releases (like the USPS directories) to ensure that base codes and local district mapping rules remain accurate and up-to-date.