US United States Major Regions Postal Code Details
🏛️ Charleston · South Carolina
29426Adams Run
Adams Run charleston south carolina 29426 United States
29429Awendaw
Awendaw charleston south carolina 29429 United States
29423Charleston
Charleston charleston south carolina 29423 United States
29404Charleston AFB
Charleston AFB charleston south carolina 29404 United States
29418Charleston Heights
Charleston Heights charleston south carolina 29418 United States
29409Chas
Chas charleston south carolina 29409 United States
29404Chas AFB
Chas AFB charleston south carolina 29404 United States
29451Dewees Island
Dewees Island charleston south carolina 29451 United States
29439Folly Beach
Folly Beach charleston south carolina 29439 United States
29449Hollywood
Hollywood charleston south carolina 29449 United States
29451Isle Of Palms
Isle Of Palms charleston south carolina 29451 United States
29412James Island
James Island charleston south carolina 29412 United States
29426Jericho
Jericho charleston south carolina 29426 United States
29455Johns Island
Johns Island charleston south carolina 29455 United States
29404Joint Base Charleston
Joint Base Charleston charleston south carolina 29404 United States
29404Jt Base Chas
Jt Base Chas charleston south carolina 29404 United States
29455Kiawah Island
Kiawah Island charleston south carolina 29455 United States
29458Mc Clellanville
Mc Clellanville charleston south carolina 29458 United States
29425Medical University Of SC
Medical University of SC charleston south carolina 29425 United States
29449Meggett
Meggett charleston south carolina 29449 United States
29465Mount Pleasant
Mount Pleasant charleston south carolina 29465 United States
29404N Charleston
N Charleston charleston south carolina 29404 United States
29415North Charleston
North Charleston charleston south carolina 29415 United States
29426Osborn
Osborn charleston south carolina 29426 United States
29405Pinehaven
Pinehaven charleston south carolina 29405 United States
29449Rantowels
Rantowels charleston south carolina 29449 United States
29470Ravenel
Ravenel charleston south carolina 29470 United States
29407Saint Andrews
Saint Andrews charleston south carolina 29407 United States
29455Seabrook Island
Seabrook Island charleston south carolina 29455 United States
29482Sullivans Island
Sullivans Island charleston south carolina 29482 United States
29409The Citadel
The Citadel charleston south carolina 29409 United States
29424The College Of Charleston
The College Of Charleston charleston south carolina 29424 United States
29487Wadmalaw Island
Wadmalaw Island charleston south carolina 29487 United States
29449Yonges Island
Yonges Island charleston south carolina 29449 United States
📋 United States Address and Delivery Guidance
📮
Use a Complete Delivery Address:
Include the recipient name, building or street address, locality, region where applicable, postal code when the destination uses one, and the destination country or territory.
🌍
Follow Local Address Conventions:
Use the language, character set and address order requested by the recipient, official postal operator or carrier. Do not assume every destination uses the same postal-code format.
✅
Verify Before Dispatch:
Confirm the postal code, service coverage and any customs or carrier requirements with the recipient and the relevant official postal operator before shipping.
💡
Delivery Information Is Context-Specific:
Postal codes help routing only in territories that use them. Accurate recipient details remain essential for delivery in every destination.
Postal information, sources and verification
Use this page as a routing reference and confirm the complete address, postal code format and delivery restrictions with the relevant official postal operator or carrier before dispatch.
Editorial and service accountability
This postal-code reference is maintained by the 56ok.com logistics-content team for international shipping preparation. It is reviewed against publicly available postal-operator information; it is not an official postal authority and does not replace carrier or customs instructions.
This reference is maintained as postal and carrier information changes. Need a correction? Contact our team.
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📮United States Postal FAQ and delivery guidance
📮 What is the format of a US ZIP code?
Standard format is 5 digits (e.g., 10001). Extended format is ZIP+4 (9 digits like 10001-1234) with a hyphen.
🔍 How to find the ZIP code for an address?
Use the USPS ZIP Code Lookup tool by entering the full address on the official USPS website.
⚠️ What happens if I use a wrong ZIP code?
Mail may be delayed, returned, or lost. For important documents, use USPS tracking and verify the ZIP code.
🔄 Do ZIP codes ever change?
Yes, USPS may update ZIP codes due to regional adjustments. Always confirm your ZIP code after an address change.
📦 Is a ZIP code required for international mail to the US?
Absolutely. Always include the US ZIP code at the end of the address (e.g., New York, NY 10001 USA).
