Northern Mariana Islands
3
5 chars
3
4
Explore Northern Mariana Islands's 3 provinces with our interactive map.
Locate post offices across Northern Mariana Islands. Find addresses and contact information.
Northern Mariana Islands uses a 5-character postal code system. Postal code format varies by country (often 4–6 digits; some use alphanumeric).
Key Characteristics
Code Type
Numeric
Administered By
National Postal Service
Coverage
Nationwide
Visual Structure
Postal code format varies by country (often 4–6 digits; some use alphanumeric).
How Northern Mariana Islands organises its postal regions
Browse all 3 top-level divisions
Step-by-step guide for correct address formatting
Sample Address Block
Name; Street; City, State Postcode; Country
Tips for successful mail and package delivery
Always verify the postal code
Double-check the 5-character code before sending. Use our lookup tool to confirm accuracy.
Include all address levels
Write the full address hierarchy for best results.
Avoid abbreviations
Write out full province names to prevent sorting errors.
Don't omit the postal code
Missing postal codes cause significant delivery delays and may result in returned mail.
What to know when sending packages
Standard domestic delivery within Northern Mariana Islands typically takes 2–7 business days. International packages require complete address information including the postal code. Always include the correct 5-character code for fastest routing.
Common questions about Northern Mariana Islands postal codes
Northern Mariana Islands uses a 5-character postal code. An example is 1000. Postal code format varies by country (often 4–6 digits; some use alphanumeric).
Northern Mariana Islands has 3 provinces with postal code coverage. Use our browse tool to explore them.
Use our free postal code lookup or browse by province to find the exact code for your location.
The postal code is written on the same line as or immediately after the province, before the country name when mailing internationally.
Northern Mariana Islands
3
5 chars
3
4
Explore Northern Mariana Islands's 3 provinces with our interactive map.
Locate post offices across Northern Mariana Islands. Find addresses and contact information.
Northern Mariana Islands uses a 5-character postal code system. Postal code format varies by country (often 4–6 digits; some use alphanumeric).
Key Characteristics
Code Type
Numeric
Administered By
National Postal Service
Coverage
Nationwide
Visual Structure
Postal code format varies by country (often 4–6 digits; some use alphanumeric).
How Northern Mariana Islands organises its postal regions
Browse all 3 top-level divisions
Step-by-step guide for correct address formatting
Sample Address Block
Name; Street; City, State Postcode; Country
Tips for successful mail and package delivery
Always verify the postal code
Double-check the 5-character code before sending. Use our lookup tool to confirm accuracy.
Include all address levels
Write the full address hierarchy for best results.
Avoid abbreviations
Write out full province names to prevent sorting errors.
Don't omit the postal code
Missing postal codes cause significant delivery delays and may result in returned mail.
What to know when sending packages
Standard domestic delivery within Northern Mariana Islands typically takes 2–7 business days. International packages require complete address information including the postal code. Always include the correct 5-character code for fastest routing.
Common questions about Northern Mariana Islands postal codes
Northern Mariana Islands uses a 5-character postal code. An example is 1000. Postal code format varies by country (often 4–6 digits; some use alphanumeric).
Northern Mariana Islands has 3 provinces with postal code coverage. Use our browse tool to explore them.
Use our free postal code lookup or browse by province to find the exact code for your location.
The postal code is written on the same line as or immediately after the province, before the country name when mailing internationally.