Home / Locations / Washington

Address Verification in Washington

Verify Washington addresses instantly. Check deliverability, get confidence scores, and standardized formatting for any address in WA. Washington is home to 1,680 properties on the National Register of Historic Places.

639
Cities & Towns
528
ZIP Codes

Verify a Washington Address

Check if any WA address is valid and deliverable.

Verify Washington Address

All 100 Major Cities in Washington

Seattle Kent Tacoma Vancouver Spokane Everett Bellevue Martha Lake Auburn Renton Bothell South Hill Olympia Federal Way Marysville Lacey Redmond Silver Firs Lakewood Spokane Valley Bothell West Yakima Lynnwood Tukwila Lake Cassidy Seatac East Renton Highlands Sumner Graham Alderton Lake Morton-berrydale Kennewick White Center Union Hill-novelty Hill Milton Cottage Lake Bellingham Frederickson Sisco Heights Shadow Lake Clearview Puyallup Camas Marietta-alderwood Kirkland Parkland Newcastle Spanaway Town And Country Fairwood Fairwood Silverdale Brush Prairie Orchards Tumwater Bothell East North Lynnwood Clover Creek Shoreline Midland Lake Goodwin Mountlake Terrace Lochsloy Maltby Clear Lake Clear Lake Picnic Point Summit Richland Des Moines Bremerton Burien Lakeland South South Creek Maple Valley Bunk Foss Machias Pacific Waller Prairie Ridge Mead Eastmont Sammamish Five Corners Pasco West Pasco Lake Stickney Elk Plain Alger Edmonds Black Diamond Salmon Creek Beacon Hill Kelso Longview Longview Heights Country Homes Hockinson Lakeland North Mill Creek

Washington Address Verification Guide

MailColt provides comprehensive address verification for Washington. Our service checks:

  • Street address existence and validity
  • City and ZIP code matching
  • Deliverability status
  • Address standardization per USPS guidelines