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Library in Blue Ash The Blue Ash Branch Library of the Hamilton County Library system is located in downtown Blue Ash.
Blue Ash Branch Library 4911 Cooper Road Blue Ash, Ohio 45242 (513) 369-6051
Post OfficeThere are three zip code zones within the City of Blue Ash: 45242, 45241, and 45236. Postal zones do not follow municipal zones, and each of these zones covers other municipal areas within the Cincinnati area. The 45242 zone covers the largest portion of Blue Ash, and that post office is located in downtown Blue Ash. See graphic to the right depicting approximate zone borders.
45242: Sycamore Branch Post Office 4910 Cooper Road (in downtown Blue Ash) (513) 792-7708 / 800-275-8777
45236: Taft Branch Post Office 7350 Montgomery Road (in Silverton) (513) 891-6347 / 800-275-8777
45241: Sharonville Branch Post Office 11087 Reading Road (in Sharonville) (513) 563-0760 / 800-275-8777
In addition to the above post office branches, an automated 24-hour post office is located in the Blue Ash Municipal & Safety Center, 4343 Cooper Road (adjacent to the main entrance). This mini station is not staffed, but offers post office boxes of various sizes.