
Seattle-Tacoma International Airport (SEA), commonly referred to as Sea-Tac Airport, is a major hub in the Pacific Northwest, serving millions of travelers annually. Located in the city of SeaTac, Washington, just south of Seattle, the airport plays a crucial role in connecting the region to domestic and international destinations. For those needing to send mail or packages to the airport, or for navigation purposes, the zip code for Seattle-Tacoma International Airport is 98188. This zip code is essential for ensuring accurate delivery and addressing, whether for airport businesses, airlines, or administrative offices.
| Characteristics | Values |
|---|---|
| Airport Name | Seattle-Tacoma International Airport (SEA) |
| Zip Code | 98188 |
| Location | SeaTac, Washington, USA |
| IATA Code | SEA |
| ICAO Code | KSEA |
| FAA Code | SEA |
| Time Zone | Pacific Time Zone (UTC-8) |
| Elevation | 433 ft (132 m) |
| Number of Runways | 3 |
| Annual Passengers (approx.) | 50 million |
| Operated by | Port of Seattle |
| Opened | July 9, 1944 |
| Hub for | Alaska Airlines, Delta Air Lines |
| Focus City for | Southwest Airlines |
| Address | 17801 International Blvd, Seattle, WA 98158 |
| Official Website | flysea.org |
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What You'll Learn
- Airport Location: Seattle-Tacoma International Airport (SEA) is located in SeaTac, Washington, USA
- Primary Zip Code: The main zip code for SEA Airport is 98188
- Surrounding Areas: Nearby zip codes include 98158, 98168, and 98178 for adjacent neighborhoods
- Mailing Address: Use 17801 International Blvd, Seattle, WA 98158 for airport correspondence
- Verification Sources: Confirm zip codes via USPS, airport websites, or local government resources

Airport Location: Seattle-Tacoma International Airport (SEA) is located in SeaTac, Washington, USA
Seattle-Tacoma International Airport (SEA) sits in the city of SeaTac, Washington, a location that strategically bridges the gap between Seattle and Tacoma. This positioning is no accident; it’s a deliberate choice to serve both major metropolitan areas, making SEA a central hub for travelers across the Pacific Northwest. The airport’s address falls under the zip code 98188, a detail often sought by visitors for shipping, mailing, or navigation purposes. Knowing this zip code can streamline tasks like sending luggage ahead or verifying delivery addresses for airport-related services.
Consider the practical implications of SEA’s location. Situated just 13 miles south of downtown Seattle and 24 miles north of Tacoma, it’s accessible via major highways like Interstate 5 and State Route 518. This proximity to key transportation arteries reduces travel time for commuters, whether they’re arriving by car, taxi, or public transit. For instance, the Link Light Rail connects SEA directly to Seattle’s urban core, offering a stress-free alternative to navigating traffic. Understanding the airport’s zip code and its geographic advantages can enhance trip planning, especially for first-time visitors.
From a logistical standpoint, the zip code 98188 is more than just a number—it’s a gateway to essential services. Need to ship a package to or from the airport? This zip code ensures accurate routing. Planning to stay nearby? Hotels and businesses in the 98188 area often cater specifically to airport travelers, offering amenities like shuttle services and extended hours. Even ride-sharing apps and GPS systems rely on this zip code for precise location targeting. It’s a small detail with outsized importance in the travel ecosystem.
Compare SEA’s location to other major airports, and its advantages become clearer. Unlike airports situated far from city centers, SEA’s placement in SeaTac minimizes the hassle of long transfers. For example, Los Angeles International Airport (LAX) is 18 miles from downtown LA, but its sprawling layout and traffic congestion often extend travel times. In contrast, SEA’s compact design and efficient transit options make it a model of accessibility. This convenience is further amplified by its zip code, which acts as a digital anchor for navigation and service coordination.
Finally, for travelers, knowing SEA’s zip code and location can be a game-changer. Whether you’re arranging a pickup, booking accommodations, or simply mapping your route, 98188 is a key piece of information. Pair this with the airport’s strategic placement between Seattle and Tacoma, and you have a recipe for seamless travel. Next time you’re headed to SEA, keep this zip code handy—it’s a small detail that can make a big difference in your journey.
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Primary Zip Code: The main zip code for SEA Airport is 98188
The Seattle-Tacoma International Airport, commonly known as SEA Airport, is a bustling hub in the Pacific Northwest, and like any major transportation center, it has a specific zip code for mailing and location purposes. The primary zip code for SEA Airport is 98188, a detail that is crucial for travelers, businesses, and logistics operations alike. This zip code not only identifies the airport’s location but also serves as a reference point for services ranging from package delivery to local area navigation. Understanding this zip code can streamline processes, whether you’re sending mail to the airport or using it for GPS directions.
From an analytical perspective, the zip code 98188 is more than just a series of numbers; it’s a geographic identifier tied to the airport’s administrative and operational functions. Located in SeaTac, Washington, this zip code encompasses the airport’s main terminals, cargo facilities, and surrounding infrastructure. It’s part of a broader postal system designed to efficiently route mail and packages to one of the busiest airports in the United States. For businesses operating within or near the airport, knowing this zip code ensures accurate addressing and avoids delays in correspondence or shipments.
If you’re planning to send mail or packages to SEA Airport, using 98188 is essential. However, it’s important to include the specific terminal or department address for precision. For example, if you’re mailing something to the airport’s administrative offices, the full address might read: *Seattle-Tacoma International Airport, 17801 International Blvd, Seattle, WA 98188*. This level of detail ensures your item reaches its intended destination without unnecessary delays. Pro tip: Always verify the recipient’s exact location within the airport to avoid misrouting.
Comparatively, while many airports have zip codes that cover their immediate vicinity, 98188 stands out due to SEA Airport’s size and complexity. Unlike smaller regional airports, SEA Airport’s zip code is part of a larger postal zone that includes surrounding businesses and hotels, making it a central reference point for the area. This contrasts with airports in less populated regions, where the zip code might exclusively serve the airport itself. For travelers, this means 98188 can also be useful for locating nearby accommodations or services.
Finally, from a practical standpoint, knowing the zip code 98188 can enhance your travel experience. If you’re using GPS or ride-sharing apps to navigate to or from the airport, entering this zip code ensures accuracy, especially in a region with multiple transportation hubs. Additionally, for those shipping items to or from the airport, 98188 is a critical piece of information for carriers like USPS, FedEx, or UPS. By familiarizing yourself with this zip code, you’re better equipped to handle logistics, whether you’re a frequent flyer, a business owner, or a first-time visitor to SEA Airport.
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Surrounding Areas: Nearby zip codes include 98158, 98168, and 98178 for adjacent neighborhoods
Seattle-Tacoma International Airport (SEA) is located in the heart of the Puget Sound region, and its primary zip code is 98188. However, understanding the surrounding areas and their zip codes can be invaluable for travelers, locals, and businesses alike. Nearby zip codes such as 98158, 98168, and 98178 encompass adjacent neighborhoods that play a significant role in the airport’s ecosystem. These areas are not just geographical markers but vibrant communities with distinct characteristics, each contributing to the region’s diversity and functionality.
98158, for instance, covers parts of Tukwila and SeaTac, offering a mix of residential and commercial spaces. This zip code is particularly notable for its proximity to the airport, making it a convenient hub for travelers seeking accommodations or services. Hotels, restaurants, and shopping centers in this area cater to both short-term visitors and long-term residents, creating a dynamic environment. For those planning a trip, booking a stay in 98158 ensures easy access to SEA while enjoying the amenities of a bustling neighborhood.
Moving slightly south, 98168 includes areas like Des Moines and parts of Kent. This zip code is characterized by its residential appeal, with quieter neighborhoods and a strong sense of community. While it’s slightly farther from the airport than 98158, it remains within a 10- to 15-minute drive, making it an ideal choice for those who prefer a more suburban feel. Additionally, 98168 is home to several parks and recreational areas, offering a peaceful retreat for travelers looking to unwind after a long flight.
98178, on the other hand, encompasses parts of South Seattle and Rainier Beach. This area is known for its cultural richness and diverse population, with a variety of ethnic restaurants, markets, and community events. While it’s a bit farther from the airport compared to the other two zip codes, it offers a unique glimpse into Seattle’s multicultural fabric. For travelers interested in exploring local culture, 98178 provides an authentic experience that goes beyond the typical airport surroundings.
Understanding these zip codes is not just about navigation—it’s about leveraging their unique attributes to enhance your experience. Whether you’re a business traveler seeking convenience, a family looking for a quiet stay, or an adventurer eager to explore local culture, these adjacent neighborhoods offer something for everyone. By familiarizing yourself with 98158, 98168, and 98178, you can make informed decisions that align with your needs and preferences, turning a simple airport visit into a more meaningful journey.
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Mailing Address: Use 17801 International Blvd, Seattle, WA 98158 for airport correspondence
The zip code for Seattle-Tacoma International Airport (SEA) is 98158, a detail often sought by travelers and businesses alike. When corresponding with the airport, precision in addressing is crucial to ensure timely delivery. The official mailing address, 17801 International Blvd, Seattle, WA 98158, serves as the central point for all airport-related mail, from administrative inquiries to package deliveries. This address is not just a location but a gateway to the airport’s operations, connecting senders directly to its administrative hub.
For those sending mail to SEA, using the correct address format is essential. Start with the recipient’s name or department, followed by the full address: 17801 International Blvd, Seattle, WA 98158. This ensures the mail is routed efficiently within the airport’s vast infrastructure. For example, if mailing to the airport’s Lost and Found, specify the department name on the first line. Avoid abbreviations or incomplete information, as this can delay delivery in a high-traffic environment like an international airport.
Comparatively, while many airports use generic city zip codes, SEA’s 98158 is unique to its location, reflecting its proximity to both Seattle and Tacoma. This specificity is advantageous for senders, as it minimizes confusion with other facilities in the region. Unlike smaller airports, SEA’s address system is designed to handle a high volume of mail, from passenger inquiries to vendor correspondence, making accuracy even more critical.
A practical tip for businesses or frequent travelers: save this address in your contacts or address book for quick reference. For international senders, include “USA” on the last line to ensure proper international routing. Additionally, for time-sensitive mail, consider using tracked shipping services, as the airport’s mailroom processes thousands of items daily. By adhering to these guidelines, you ensure your correspondence reaches its intended destination without delay.
In conclusion, 17801 International Blvd, Seattle, WA 98158 is more than just a zip code—it’s a vital link to one of the busiest airports in the U.S. Whether you’re a traveler, business, or vendor, using this address correctly streamlines communication and ensures your mail is handled efficiently. Precision in addressing is not just a detail; it’s a necessity in the fast-paced world of air travel.
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Verification Sources: Confirm zip codes via USPS, airport websites, or local government resources
The zip code for Seattle-Tacoma International Airport (SEA) is 98188, but how can you be certain this information is accurate? Relying on a single source can lead to errors, especially when dealing with location-specific data like zip codes. Cross-referencing multiple verification sources ensures precision, whether you're sending mail, updating records, or planning logistics. Let’s explore three authoritative channels: USPS, airport websites, and local government resources, each offering unique advantages for confirming zip codes.
Step 1: Utilize USPS Tools for Official Verification
The United States Postal Service (USPS) is the gold standard for zip code accuracy. Visit their website and use the "Look Up a ZIP Code" tool by entering "Seattle-Tacoma International Airport" or its address (17801 International Blvd, Seattle, WA). This method eliminates guesswork, as USPS maintains the definitive database for U.S. postal codes. Pro tip: Always double-check the full address, as large facilities like airports may have multiple zip codes for different departments.
Step 2: Consult Airport Websites for Direct Information
Airports often provide their zip code on official websites, typically under "Contact Us" or "Location" sections. For SEA, their site confirms 98188, aligning with USPS records. However, caution is warranted: websites may not always be updated promptly. If the zip code is embedded in a PDF or image, verify it against another source to ensure it hasn’t been overlooked during site updates.
Step 3: Leverage Local Government Resources for Regional Context
Local government portals, such as the Port of Seattle (which operates SEA), offer zip code details alongside other logistical information. These resources are particularly useful for understanding how zip codes align with jurisdictional boundaries. For instance, SEA’s zip code (98188) is distinct from Seattle’s downtown area (98101), highlighting the importance of precise location-based data. Always cross-reference with USPS to confirm consistency.
Caution: Avoid Relying on Third-Party Aggregators
While third-party platforms like Google Maps or travel sites often display zip codes, they can propagate errors. For example, a quick search might yield outdated or misattributed codes. Always prioritize primary sources like USPS, airport websites, or government portals over aggregated data. If discrepancies arise, default to USPS, as it directly governs postal designations.
Confirming zip codes through USPS, airport websites, and local government resources creates a robust verification framework. Each source complements the others, addressing potential gaps or delays in updates. For SEA, the consensus across these channels solidifies 98188 as the correct zip code. By adopting this multi-source approach, you ensure reliability, whether for personal correspondence or professional operations.
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Frequently asked questions
The zip code for Seattle-Tacoma International Airport (SEA) is 98188.
No, the zip code for Seattle-Tacoma International Airport (98188) is different from downtown Seattle, which has multiple zip codes, including 98101, 98104, and others.
Yes, Seattle-Tacoma International Airport uses the zip code 98188 specifically for mailing and addressing purposes.
No, the entire Seattle-Tacoma International Airport shares the same zip code, 98188, regardless of the terminal.
No, the zip code 98188 is specific to the airport. Nearby hotels and businesses will have their own unique zip codes based on their location.











































