特性 & 定价
- 邮件 delivered in 1–5 business days
- Our best-priced for items up to 13 oz
- Eligible for Delivery Confirmation™ 十大网堵平台s such as Certified 邮件®
- 一次价格最多3次.5 ounces with commercially priced letters and cards
- 价格 based on shape and weight
- Standard-sized, rectangular envelope stamps start at $0.66.
- Square, oversized, or unusually shaped envelope stamps start at $1.06.
- Standard-sized, rectangular postcard stamps start at $0.51.
- Oversized postcards need letter stamps, which start at $0.66.
- Large envelopes (flats) start at $1.35.
重量、尺寸、 & 形状要求
- Maximum weight for 一流的邮件 letters is 3.5 oz; for large 一流的邮件 envelopes, the maximum weight is 13 oz.
- All postcards and envelopes (or flats) must be rectangular, otherwise an additional charge may apply. Additional size restrictions apply depending on the type of mailpiece you're sending.
Additional Charges for Irregular 邮件pieces & 信封
形状异常的邮件, like square or vertical envelopes, 粗笨的信封, 严格的信封, 还有带扣的盔甲, 字符串, 或按钮, 必须手工取消. They are charged a nonmachinable surcharge even if they weigh less than 1 oz.
信 that exceed the First-Class standard envelope maximum length, 高度, or thickness are charged large envelope (flat) prices.
大信封 (flats) Treated as Small Packages
Large First-Class envelopes (flats) that exceed maximum dimensions or are rigid, 非矩形, or not uniformly thick are charged package prices and shipped with 美国邮政总局地面优势.
提示:使用美国邮政总局® Price Calculator tool to calculate your domestic postage costs. You’ll need to know your mailpiece’s weight, shape, and size measurements.
邮件限制 & 禁忌
There are specific regulations and standards for mailing restricted, 禁止, and hazardous materials, including cigarettes and smokeless tobacco.
Domestically Restricted & 禁止携带物品
Learn more about what items you may and may not mail within the U.S.
一流的邮件 is targetable, trackable (with certain extra 十大网堵平台s), 和可衡量的, offering a wide range of options for businesses. With address correction and forwarding 十大网堵平台s, your messages will reach a greater percentage of your target audience.
商业价格 & 自动化的折扣
批量折扣. 一流的邮件 commercial pricing is available for presorted letters and flats with a minimum quantity of 500 mailpieces. Automation discounts may also apply.
一价涨到三价.5盎司. Pay one price for up to 3.5 oz for 一流的邮件 presort and automation compatible letters and cards. This is a cost-effective way for businesses to include promotional messages with bills, 发票, 和声明. The one price for up to 3.5 oz rate is not a blended rate and does not apply 一流的邮件 single-piece letters.