Postal code 320-0012 belongs to the jurisdiction of Natsumicho, Utsunomiya, Utsunomiya, Tochigi, Japan. 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 | 320-0012 |
|---|---|
| District / Neighborhood | Natsumicho, Utsunomiya (Natsumicho, Utsunomiya) |
| City | Utsunomiya (Utsunomiya) |
| Province / State | Tochigi (Tochigi) |
| Country | Japan (JP) |
| Dialing Area Codes | 28 |
Random Local Phone Numbers
Mock phone numbers matching local formatting and dialing area codes. (28)
Frequently Asked Questions
What is the phone number format and dialing rules for this area (postal code 320-0012)?
Local phone numbers follow the Japanese uniform dialing format (including area code 28). The length of numbers generated here is 9 digits (excluding the leading 0, e.g., 8 digits for landlines, 9 digits for mobile phones), convenient for development testing.
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 320-0012?
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: