Seattle Carrier Annex Post Office No Records FoundSorry, no records were found. Please adjust your search criteria and try again. Google Map Not LoadedSorry, unable to load Google Maps API. Address: 2460 4th Ave S Seattle Washington 98134 United StatesServices Offered: Pickup Accountable MailPickup Hold MailPhone: (206) 381-6598Fax: (650) 578-3855Retail HoursLobby HoursLast CollectionBulk Mail Hours Leave a Review Cancel replyYour email address will not be published. Required fields are marked *Review text Select a rating Name * Email * Website Save my name, email, and website in this browser for the next time I comment.