Postal code 730020 belongs to the jurisdiction of ChengGuan District, LanZhou, Gansu, 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 | 730020 |
|---|---|
| District / Neighborhood | ChengGuan District (ChengGuanQu District) |
| City | LanZhou (LanZhou) |
| Province / State | Gansu (Gansu) |
| Country | China (CN) |
| Dialing Area Codes | 931 |
Post Offices & Branches
Below are the details of the specific delivery branches corresponding to this postal code:
| Branch Name | Business Address | Contact Phone |
|---|---|---|
| 拱星墩邮政支局 📍 城关区 | 甘肃省兰州市城关区焦家湾街道东岗东路1215号商铺1层101 | 0931-8664140 |
| 东岗东路邮政支局 📍 城关区 | 甘肃省兰州市城关区东岗东路1026号 | 0931-8695920 |
| 嘉峪关西路邮政支局 📍 城关区 | 甘肃省兰州市城关区嘉峪关西路678号 | 0931-8664141 |
| 商学院邮政支局 📍 城关区 | 甘肃省兰州市城关区段家滩502号 | 0931-8751812 |
| 兰新市场邮政支局 📍 城关区 | 甘肃省兰州市城关区兰新市场20楼1061号 | 0931-8490919 |
| 嘉峪关南路邮政支局 📍 城关区 | 甘肃省兰州市城关区嘉峪关南路254号 | 0931-8498442 |
Random Local Phone Numbers
Mock phone numbers matching local formatting and dialing area codes. (931)
Frequently Asked Questions
What is the phone number format and dialing rules for this area (postal code 730020)?
Local phone numbers follow the dialing prefix rules. Numbers generated locally are 11 digits long and utilize regional area codes: 931.
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 730020?
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: