开发票需要的信息包括公司名称、纳税人识别号（或统一社会信用代码）、地址及电话、开户银行及账号。

开发票时需要提供的信息因发票类型（普通发票或增值税专用发票）而有所不同，以下是详细的信息列表和说明：

一、开具普通发票所需信息

二、开具增值税专用发票所需信息

| 项目 | 描述 |

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| 公司名称 | 需要提供单位的全称，确保与工商注册的名称完全一致。 |

| 纳税人识别号 | 这是税务部门为每一个企业颁发的唯一识别号码，必须提供。 |

| 地址及电话 | 提供公司的具体地址和电话号码，以便于联系和沟通。 |

| 开户银行及账号 | 提供公司的开户银行名称及银行账号，用于接收付款。 |

| 货物名称、型号 | 具体描述所购买的商品或服务的名称、型号。 |

| 单位、数量 | 商品的计量单位和数量。 |

| 单价、总金额 | 商品的单价和总金额。 |

| 销售清单 | 详细列出所有购买的商品或服务。 |

| 增值税税率 | 根据商品或服务的不同，适用不同的增值税税率。 |

三、注意事项

1、确保所有信息的准确性，避免因错误导致发票无效或产生法律问题。

2、对于增值税专用发票，还需注意填写税种、税率和税额等内容。

3、发票上的所有内容应逐栏、全部联次一次性如实开具，并加盖单位发票专用章。

通过以上信息，可以清晰地了解开发票所需的详细信息以及相关的注意事项，有助于确保发票的合法性和规范性。

各位小伙伴们，我刚刚为大家分享了有关“开发票要什么信息”的知识，希望对你们有所帮助。如果您还有其他相关问题需要解决，欢迎随时提出哦！