Postal code 550003 belongs to the jurisdiction of YunYan District, GuiYang, Guizhou, China. This page contains complete postal details, delivery branch information, and random phone number generation tools for this code.
Detailed ZIP Code Geography
The following postal codes are indexed for this geographical region.
| Postal Code | 550003 |
|---|---|
| District / Neighborhood | YunYan District (YunYanQu District) |
| City | GuiYang (GuiYang) |
| Province / State | Guizhou (Guizhou) |
| Country | China (CN) |
| Dialing Area Codes | 851 |
Post Offices & Branches
Below are the details of the specific delivery branches corresponding to this postal code:
| Branch Name | Business Address | Contact Phone |
|---|---|---|
| 次南门邮政支局 📍 南明区 | 贵州省贵阳市南明区河滨街道花溪大道1-12号 | 0851-85669447 |
| 花果园邮政支局 📍 南明区 | 贵阳市南明区花果园B北区11栋306号 | 0851-85969345 |
| 松山南路邮政支局 📍 南明区 | 贵州省贵阳市南明区松山南路街道花果园一期松山南路13-2-26号门面 | 0851-85950777 |
| 瑞金路邮政支局 📍 云岩区 | 贵州省贵阳市云岩区 | 0851-85974296 |
| 瑞金北路邮政支局 📍 云岩区 | 贵阳市瑞金北路 | 0851-86573710 |
| 客车站邮政所 📍 云岩区 | 贵阳市客车站 | 13985415263 |
| 金顶山邮政所 📍 云岩区 | 贵阳市金顶路41号 | 13312218848 |
| 都会大街邮政所（撤销） 📍 云岩区 | 贵州省贵阳市云岩花果园K区4栋门面 | 0851-85950207 |
| 都会大街邮政所（暂停） 📍 云岩区 | 贵州省贵阳市云岩花果园K区4栋门面 | 0851-85950207 |
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 (postal code 550003)?
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 random phone numbers generated here be used for?
They are simulated data designed specifically for software development testing, QA automation workflows, form input validation (e.g., formatting mobile/landline numbers), and international compliance mock databases. Simulated phones cannot make or receive calls, nor can they receive SMS verification codes.
How to check the specific jurisdiction or branch associated with postal code 550003?
Our website lists specific communities and delivery branch details (if any) in the details section. You can also double-check accuracy via the official query portals provided by the official postal reference sources below (such as China Post or US USPS) to ensure data is absolutely precise.
Data Verification & Reference Sources
The following official postal authorities can be used to verify the accuracy of the postal code data on this page: