ListPostCode
HomeCountriesContinents
ToolsBlog

Stay Updated

Get the latest postal code updates, new tools, and guides delivered to your inbox.

New postal code updatesFree tools and featuresGuides and insights

No spam, unsubscribe anytime.

ListPostCode

The comprehensive postal code directory. Find codes for any location and country quickly and accurately.

Tools

  • ATM Finder
  • Download Printable Postal Codes
  • Postcode Widget Generator
  • Post Office Finder
  • Currency Converter

Resources

  • All Postal Codes
  • Find Post Office
  • Maps
  • Countries
  • Blog

Info

  • About
  • Advertise with us
  • Contact
  • Privacy
  • Terms

© Copyright 2026 ListPostCode. All rights reserved.

ListPostCode
HomeCountriesContinents
ToolsBlog

Stay Updated

Get the latest postal code updates, new tools, and guides delivered to your inbox.

New postal code updatesFree tools and featuresGuides and insights

No spam, unsubscribe anytime.

ListPostCode

The comprehensive postal code directory. Find codes for any location and country quickly and accurately.

Tools

  • ATM Finder
  • Download Printable Postal Codes
  • Postcode Widget Generator
  • Post Office Finder
  • Currency Converter

Resources

  • All Postal Codes
  • Find Post Office
  • Maps
  • Countries
  • Blog

Info

  • About
  • Advertise with us
  • Contact
  • Privacy
  • Terms

© Copyright 2026 ListPostCode. All rights reserved.

  1. Home
  2. All Postal Codes
  3. China
  4. Prefix 30
30

Postcode Prefix

Postcodes with first number 30

Browse all communes and their postal codes that start with the prefix 30 across Cambodia.

1 Province6 districts6 communes

Browse by prefix

010203040506071011121315162021222324252627303132333435364041424344454647515253545556576162636465666771727374758183848586

List of postcodes with first number 30:

Tianjin

6 districts, 6 communes

Baodi District1
Baodi District301800
Ji County1
Ji County301900
Jinghai District1
Jinghai District301600
Ninghe District1
Ninghe District301500
Tianjin Urban1
Tianjin Urban300000
Wuqing District1
Wuqing District301700

All Postcodes

Complete list of 6 communes with postcode prefix 30

ProvinceDistrictCommunePostcode
Tianjin Urban300000
TianjinTianjin Urban
Tianjin
Tianjin Urban
Tianjin Urban
300000
Ninghe District301500
TianjinNinghe District
Tianjin
Ninghe District
Ninghe District
301500
Jinghai District301600
TianjinJinghai District
Tianjin
Jinghai District
Jinghai District
301600
Wuqing District301700
TianjinWuqing District
Tianjin
Wuqing District
Wuqing District
301700
Baodi District301800
TianjinBaodi District
Tianjin
Baodi District
Baodi District
301800
Ji County301900
TianjinJi County
Tianjin
Ji County
Ji County
301900

Found incorrect info for Postcodes with first number 30?

  1. Home
  2. All Postal Codes
  3. China
  4. Prefix 30
30

Postcode Prefix

Postcodes with first number 30

Browse all communes and their postal codes that start with the prefix 30 across Cambodia.

1 Province6 districts6 communes

Browse by prefix

010203040506071011121315162021222324252627303132333435364041424344454647515253545556576162636465666771727374758183848586

List of postcodes with first number 30:

Tianjin

6 districts, 6 communes

Baodi District1
Baodi District301800
Ji County1
Ji County301900
Jinghai District1
Jinghai District301600
Ninghe District1
Ninghe District301500
Tianjin Urban1
Tianjin Urban300000
Wuqing District1
Wuqing District301700

All Postcodes

Complete list of 6 communes with postcode prefix 30

ProvinceDistrictCommunePostcode
Tianjin Urban300000
TianjinTianjin Urban
Tianjin
Tianjin Urban
Tianjin Urban
300000
Ninghe District301500
TianjinNinghe District
Tianjin
Ninghe District
Ninghe District
301500
Jinghai District301600
TianjinJinghai District
Tianjin
Jinghai District
Jinghai District
301600
Wuqing District301700
TianjinWuqing District
Tianjin
Wuqing District
Wuqing District
301700
Baodi District301800
TianjinBaodi District
Tianjin
Baodi District
Baodi District
301800
Ji County301900
TianjinJi County
Tianjin
Ji County
Ji County
301900

Found incorrect info for Postcodes with first number 30?