Postal, Zip code 99349 Located at Mattawa, WA, Grant - Details Check

Updated: 01-06-2023

Mattawa (WA) zip Code is 99349. zip Code is also known as Postal Code. Mattawa is located in state WA, United States.

Find Zip Code 99349 postal Details

ZIP code 99349 is located in Mattawa WA in the United States.

Postal Code/Zip Code 99349 Latest update city Mattawa, WA

Zip code




State Code



Grant, United States

Postal Locations

Mattawa, WA - Zip Code is - 99349


United States Postal Service (USPS).

Delivery Type

Package Delivery and first class mail.

What's my Mattawa postal code?

Mattawa Postal Code/Zip Code is 99349, Mattawa Postal Locate at Mattawa, WA, Grant, usa.

About Zip Code 99349, Mattawa, (WA)

Zip Code 99349, Mattawa, Post Office is a United States Postal Service (USPS) facility in Mattawa, (WA) This post office offers a full array of services, including package delivery and first class mail.

The United States Postal Service is an independent agency of the executive branch of the United States federal government responsible for providing postal service in the United States, including its insular areas and associated states.The United States Post Office Department was the predecessor of the United States Postal Service, in the form of a Cabinet department, officially from 1872 to 1971. It was headed by the postmaster general.

The Zip Code code 99349 is Located in Mattawa, WA, Grant, in the United States.

Mattawa WA Postal Code Details Table

Zip Code City State Country
99349 Mattawa WA Grant

Mattawa, WA, Grant, Zip code is 99349, in the United States..

What is a ZIP code in Mattawa?

Mattawa is a 99349 A ZIP code (Zone Improvement Plan code) is a number added to your address for the sake of speeding up the process and ensure the accuracy of delivery services. Zip code is 99349 It is commonly used by Mattawa Post office (Mattawa Postal code) and other mail services in delivering postal mail.

What are ZIP codes based on?

As of 1963, zip codes' numbers are determined by a few factors: the area, the regional postal facility and the local zone. The first number of the five-digit code signifies the region which the address is located in, a number that grows from the east coast to the west, if your address is Mattawa, WA so your zip code details is 99349.

The United States Postal Service's Citizens' Stamp Advisory Committee (CSAC) evaluates potential subjects for U.S. postage stamps and reports its recommendations to the Postmaster General, who makes the final decision.

What are ZIP codes based on?

US ZIP Code Areas (Three-Digit) represents the first three digits of a ZIP Code, These digits, in conjunction with the first digit, Represent a Sectional Center facility or a mail processing facility area.

What is the zipcode of Mattawa, WA?

Mattawa WA zip code is 99349.

What is the Postal Place of Zip Code 99349?

Zip Code 99349 Postal Place at Mattawa, WA, United States of America.

What is the ZIP postal code for USA?

A ZIP Code is a postal code used by the United States Postal Service (USPS). Introduced in 1963, the basic format consisted of five digits. In 1983, an extended ZIP+4 code was introduced; it included the five digits of the ZIP Code, followed by a hyphen and four digits that designated a more specific location.

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