Detailed ZIP Code Geography
The following postal codes are indexed for this geographical region.
| Postal Code | 400020 |
|---|---|
| District / Neighborhood | JiangBei District (JiangBeiQu District) |
| City | ZhongQingChengQu (ZhongQingChengQu) |
| State / Province | Chongqing (Chongqing) |
| Country | China (CN) |
| Dialing Area Codes | 23 |
Post Offices & Branches
Below is the list of specific delivery branches and post offices for this postal code:
| Branch Name | Address | Phone |
|---|---|---|
| 观音桥邮政支局（暂停） 📍 江北区 | 重庆市江北区步行街9号1-4 | 023-68750017 |
| 苗儿石邮政支局 📍 江北区 | 重庆市江北区建新西路399号附106号 | 023-67621737 |
| 鹞子丘邮政所（暂停） 📍 江北区 | 重庆市江北区小苑支路1号附1号 | 023-67516487 |
| 银鑫邮政所 📍 江北区 | 重庆市江北区渝北四村182号1-16、1-17、1-18 | 023-67869420 |
| 渝大邮政所 📍 江北区 | 重庆市江北区金源路62号附11号 | 023-67001312 |
| 鲤鱼池邮政所 📍 江北区 | 重庆市江北区建新东路43号附1号 | 023-67758351 |
| 塔坪邮政所 📍 江北区 | 重庆市江北区兴隆路46号附1,2,3号 | 023-67850355 |
| 宏帆邮政所 📍 江北区 | 重庆市重庆江北石马河宏帆路8号（伴城花苑2幢附4号、附5号、附6号、附7号） | 023-67528839 |
Simulated Full Address List
Simulated mailing addresses matching local streets, neighborhood (JiangBei District), 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. (23)
Frequently Asked Questions
What is the phone number format and dialing rules for this area (ZIP 400020)?
Local phone numbers follow the dialing prefix rules. Numbers generated locally are 10 digits long and utilize regional area codes: 23.
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 400020?
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: