Detailed ZIP Code Geography
The following postal codes are indexed for this geographical region.
| Postal Code | 550399 |
|---|---|
| District / Neighborhood | KaiYang County (KaiYangXian County) |
| City | GuiYang (GuiYang) |
| State / Province | Guizhou (Guizhou) |
| Country | China (CN) |
| Dialing Area Codes | 851 |
Post Offices & Branches
Below is the list of specific delivery branches and post offices for this postal code:
| Branch Name | Address | Phone |
|---|---|---|
| 正街邮政支局 📍 开阳县 | 开阳县正街10号 | 18685058138 |
| 城关邮政支局 📍 开阳县 | 开阳县城关镇人民西路70号 | 15108515688 |
| 政务中心邮政所（假期营业） 📍 开阳县 | 贵州省贵阳市开阳县贵州省开阳县麒麟广场政务大厅内 | 13765807994 |
| 毛稗田邮政所 📍 开阳县 | 贵州省贵阳市开阳县云开街道办东山村毛稗田2号楼一楼门面 | 13595027118 |
Simulated Full Address List
Simulated mailing addresses matching local streets, neighborhood (KaiYang County), and ZIP code. Ideal for registration form testing and compliance verification.
Random Local Phone Numbers
Mock phone numbers matching local formatting and dialing area codes. (851)
Frequently Asked Questions
What is the phone number format and dialing rules for this area (ZIP 550399)?
Local phone numbers follow the dialing prefix rules. Numbers generated locally are 11 digits long and utilize regional area codes: 851.
Local Dialing: Within the same area, dial the standard subscriber number directly without country prefix.
International Dialing: To dial internationally, prepend the country dial code followed by the local area code and number.
Local Dialing: Within the same area, dial the standard subscriber number directly without country prefix.
International Dialing: To dial internationally, prepend the country dial code followed by the local area code and number.
What can the simulated addresses and phone numbers generated here be used for?
They are specifically designed as synthetic data for software development, QA automation workflows, form validation tests (such as phone formatting), and database compliance simulations. Simulated phone numbers cannot make or receive calls or text messages, and simulated addresses cannot be used for actual shipping.
How to verify the details and post offices associated with ZIP 550399?
We have listed detailed neighborhoods and associated delivery branches (if available) on this page. You can also perform a cross-verification using the official postal references links provided below (such as USPS or China Post) to ensure total data accuracy.
Data Verification & Reference Sources
The following official postal authorities can be used to verify the postal code data on this page: