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Area Code 509

Explore ZIP codes in area code 509 — covering WA — 243 ZIP codes — 1,690,260 residents. Population, income, and housing at a glance.

ZIP codes
243
Population
1,690,260
States
WA
Median household income (avg.)
$70,920
Average home value
$322,189
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Where is area code 509?

Area code 509 maps to 243 indexable ZIP codes on US5 across WA, with a combined ZIP-area population of about 1,690,260.

Among places with the most population in this NPA on US5 are Spokane, WA, Spokane Valley, WA, Pasco, WA, Yakima, WA, and Kennewick, WA. Open any ZIP below for full demographics, housing, and nearby services.

The most populous ZIP currently listed for 509 is 99301 (about 86,467 residents).

Income and housing in 509

Across ZIPs with income data in area code 509, the average median household income is about $70,920 — about 6% below the U.S. median ($75,149).

Average median home value across those ZIPs is about $322,189.

On this page’s income ranking, ZIP 99146 is near the top at about $140,962.

How area code 509 numbering works

In the North American Numbering Plan, the first three digits of a 10-digit phone number are the Numbering Plan Area (NPA), commonly called the area code. Digits 4–6 are the central office code (NXX / “exchange”), and the last four digits identify the individual line.

US5’s 509 page groups ZIP codes that are associated with this NPA in published geography data. That is a place-based view — it is not a live directory of every phone number assigned to 509, and overlays or split NPAs can mean multiple area codes serve the same metro.

Scams and caller ID spoofing

Seeing area code 509 on caller ID does not prove the caller is physically in WA. Spoofing tools can display almost any NPA, including local-looking numbers used in IRS, bank, warranty, and “grandparent” scams.

If you receive an unexpected call about taxes, arrests, or locked accounts: hang up, do not share codes or remote-access software, and contact the organization using a number from its official website or your statement — not a number the caller provides. US5 publishes geography for research; it does not verify live callers.

ZIP codes in area code 509

ZIP City County State Population Income Home value
99301 Pasco Franklin County WA 86,467 $82,517 $353,300
99208 Spokane Spokane County WA 58,834 $81,084 $414,000
99336 Kennewick Benton County WA 51,180 $63,308 $292,300
98837 Moses Lake Grant County WA 47,399 $70,732 $290,000
98902 Yakima Yakima County WA 45,377 $60,050 $237,700
98801 Wenatchee Chelan County WA 44,422 $74,768 $429,700
99205 Spokane Spokane County WA 43,340 $72,547 $286,300
99362 Walla Walla Walla Walla County WA 42,794 $70,660 $398,000
99206 Spokane Valley Spokane County WA 41,442 $75,538 $362,100
98908 Yakima Yakima County WA 37,921 $80,266 $356,900
99352 Richland Benton County WA 36,641 $96,875 $442,100
99223 Spokane Spokane County WA 35,848 $91,377 $457,200
99207 Spokane Spokane County WA 34,766 $55,548 $246,800
99163 Pullman Whitman County WA 33,692 $46,401 $412,700
99337 Finley Benton County WA 33,080 $90,227 $356,700
98802 East Wenatchee Douglas County WA 32,170 $88,228 $431,900
98901 Terrace Heights Yakima County WA 32,080 $56,429 $268,100
98926 Ellensburg Kittitas County WA 31,883 $66,826 $425,600
99216 Spokane Valley Spokane County WA 28,056 $69,958 $336,700
99354 Richland Benton County WA 25,577 $88,601 $355,400
98944 Sunnyside Benton County WA 24,048 $60,167 $230,100
99224 Spokane Spokane County WA 23,599 $76,785 $439,700
99004 Cheney Spokane County WA 22,448 $62,014 $368,500
99203 Spokane Spokane County WA 21,921 $95,532 $449,100
99212 Spokane Valley Spokane County WA 21,549 $66,250 $314,300
99403 Clarkston Heights-Vineland Asotin County WA 20,483 $67,424 $283,800
99016 Spokane Valley Spokane County WA 20,260 $94,253 $450,000
99202 Spokane Spokane County WA 19,956 $61,323 $268,700
99217 Spokane Spokane County WA 19,893 $71,807 $329,300
99344 Othello Adams County WA 19,458 $64,266 $256,700
99338 Kennewick Benton County WA 19,235 $116,002 $526,700
98903 Ahtanum Yakima County WA 19,010 $69,188 $265,900
99353 West Richland Benton County WA 18,702 $120,396 $407,600
98942 Selah Yakima County WA 18,564 $83,251 $352,100
99218 Fairwood Spokane County WA 16,920 $73,723 $404,500
99037 Spokane Valley Spokane County WA 16,761 $83,886 $446,700
98930 Grandview Yakima County WA 15,071 $67,798 $277,600
99006 Deer Park Spokane County WA 14,666 $65,375 $366,600
99201 Spokane Spokane County WA 14,432 $35,286 $259,800
99350 Prosser Benton County WA 14,278 $74,393 $289,100
98848 Quincy Grant County WA 13,014 $85,133 $308,800
98948 Toppenish Yakima County WA 12,960 $67,217 $217,800
99114 Colville Stevens County WA 12,939 $61,891 $268,300
98951 Wapato Yakima County WA 12,935 $63,083 $214,000
98823 Ephrata Grant County WA 12,661 $77,361 $256,400
99019 Liberty Lake Spokane County WA 12,092 $106,780 $558,100
99005 Green Bluff Spokane County WA 10,682 $123,259 $488,100
99324 College Place Walla Walla County WA 10,171 $64,485 $338,600
99320 West Richland Benton County WA 10,157 $84,494 $300,300
99022 Medical Lake Spokane County WA 9,398 $90,814 $345,600
98841 North Omak Okanogan County WA 9,376 $72,500 $288,400
99156 Newport Pend Oreille County WA 9,323 $59,040 $303,200
99021 Mead Spokane County WA 9,226 $82,895 $418,200
99026 Suncrest Spokane County WA 9,206 $98,125 $477,300
99001 Airway Heights Spokane County WA 8,931 $60,182 $281,100
98936 Moxee Yakima County WA 8,898 $95,625 $325,400
99349 Desert Aire Grant County WA 8,098 $62,851 $409,000
98815 Cashmere Chelan County WA 8,031 $80,889 $492,900
98922 Cle Elum Kittitas County WA 7,915 $72,962 $624,800
98826 Leavenworth Chelan County WA 7,817 $85,594 $639,700
98816 Chelan Chelan County WA 7,677 $73,807 $450,500
98620 Goldendale Klickitat County WA 7,617 $55,029 $252,200
99204 Spokane Spokane County WA 7,519 $50,266 $355,700
98672 White Salmon Klickitat County WA 7,036 $95,256 $623,100
98953 Zillah Yakima County WA 6,815 $82,689 $362,800
99141 Kettle Falls Ferry County WA 6,272 $63,700 $283,000
99027 Otis Orchards-East Farms Spokane County WA 5,878 $70,784 $368,400
99326 Connell Franklin County WA 5,875 $71,548 $262,800
99025 Otis Orchards-East Farms Spokane County WA 5,846 $117,283 $458,100
98932 Granger Yakima County WA 5,742 $68,726 $230,300
98855 Tonasket Okanogan County WA 5,615 $51,063 $230,100
98812 Brewster Okanogan County WA 5,188 $60,146 $301,400
98840 Okanogan Okanogan County WA 5,084 $67,634 $251,700
99109 Chewelah Stevens County WA 5,075 $61,354 $274,900
98851 Soap Lake Grant County WA 4,996 $67,009 $240,500
98844 Oroville Okanogan County WA 4,814 $42,541 $251,100
98937 Cliffdell Yakima County WA 4,701 $63,646 $343,300
99003 — Spokane County WA 4,634 $71,624 $410,800
99009 — Spokane County WA 4,525 $74,881 $402,300
98935 Grandview Yakima County WA 4,481 $63,775 $196,100
99323 Burbank Walla Walla County WA 4,198 $86,597 $358,600
99111 Colfax Whitman County WA 4,049 $66,333 $264,300
99122 Davenport Lincoln County WA 4,044 $74,300 $315,600
98831 Manson Chelan County WA 4,020 $73,223 $652,300
98857 Warden Grant County WA 3,935 $57,743 $194,400
99328 Dayton Columbia County WA 3,595 $72,233 $252,200
99357 Royal City Grant County WA 3,550 $69,120 $307,400
98648 Stevenson Skamania County WA 3,353 $93,553 $477,400
99343 Basin City Franklin County WA 3,236 $72,400 $244,500
98813 Bridgeport Douglas County WA 3,233 $52,500 $165,000
98947 Tieton Yakima County WA 3,146 $66,711 $240,200
98862 Winthrop Okanogan County WA 3,089 $59,597 $694,800
99011 Fairchild AFB Spokane County WA 3,016 $69,825 —
98610 Carson Skamania County WA 3,004 $73,413 $390,700
99166 Curlew Lake Ferry County WA 2,879 $59,821 $273,100
98856 Twisp Okanogan County WA 2,654 $47,000 $398,400
99169 Ritzville Adams County WA 2,637 $66,161 $210,700
98843 — Douglas County WA 2,492 $66,054 $646,100
99347 Pomeroy Garfield County WA 2,467 $61,741 $220,800
99148 Loon Lake Stevens County WA 2,381 $74,732 $415,600

Frequently asked questions

Where is area code 509?

Area code 509 is associated with ZIP codes in WA on US5, covering about 1,690,260 combined ZIP-area residents across 243 codes. Browse the ZIP table on this page for cities and counties.

How many ZIP codes are in area code 509?

US5 currently lists 243 indexable ZIP codes for area code 509. Counts can change as geography publishes update.

What is the average income in area code 509?

The average of ZIP median household incomes in area code 509 is about $70,920 (about 6% below the U.S. median ($75,149)). Individual neighborhoods vary — sort the ZIP table by income to compare.

What is an NXX or “number block” in area code 509?

After the area code, the next three digits (NXX) identify a central office / exchange “block” of up to 10,000 numbers. US5 focuses on ZIP geography for 509; for live number assignment details, use official NANPA / carrier resources.

Does a 509 caller ID mean the person is local?

No. Caller ID can be spoofed to show area code 509 even when the caller is elsewhere. Treat unexpected calls about money, arrests, or account lockouts as suspicious and verify through official channels.

How can I avoid phone scams that use area code 509?

Do not trust caller ID alone. Never send gift cards, wire money, or install remote-access apps because a caller claims to be from the IRS, a bank, or tech support. Hang up and call back using a published number from a statement or official website.

What cities use area code 509?

Larger population clusters on US5 for 509 include Spokane, WA, Spokane Valley, WA, Pasco, WA, Yakima, WA, and Kennewick, WA. Open linked ZIP pages for neighborhood-level demographics.