US United States Major Regions Postal Code Details
🏛️ Philadelphia · Pennsylvania
1910430th Street
30th Street philadelphia pennsylvania 19104 United States
19187A A R P Ins
A A R P Ins philadelphia pennsylvania 19187 United States
19192Cigna Corporation
Cigna Corporation philadelphia pennsylvania 19192 United States
19170Citibank Delaware
Citibank Delaware philadelphia pennsylvania 19170 United States
19196Classification & Rates Admin
Classification & Rates Admin philadelphia pennsylvania 19196 United States
19183Colonial Penn (Brm)
Colonial Penn (Brm) philadelphia pennsylvania 19183 United States
19181Colonial Penn Group
Colonial Penn Group philadelphia pennsylvania 19181 United States
19195Commerce Bank
Commerce Bank philadelphia pennsylvania 19195 United States
19153Eastwick
Eastwick philadelphia pennsylvania 19153 United States
19161Firm Zip Concept (Brm)
Firm Zip Concept (Brm) philadelphia pennsylvania 19161 United States
19162Firm Zip Concept (Courtesy)
Firm Zip Concept (Courtesy) philadelphia pennsylvania 19162 United States
19194First Chicago
First Chicago philadelphia pennsylvania 19194 United States
19170First Data Remitco
First Data Remitco philadelphia pennsylvania 19170 United States
19193Ford Motor Credit Corp
Ford Motor Credit Corp philadelphia pennsylvania 19193 United States
19188Hosiery Corp Of America
Hosiery Corp Of America philadelphia pennsylvania 19188 United States
19244Internal Revenue Service
Internal Revenue Service philadelphia pennsylvania 19244 United States
19111Lawncrest
Lawncrest philadelphia pennsylvania 19111 United States
19111Lawndale
Lawndale philadelphia pennsylvania 19111 United States
19150Lynnewood Gardens
Lynnewood Gardens philadelphia pennsylvania 19150 United States
19127Manayunk
Manayunk philadelphia pennsylvania 19127 United States
19175Mellon Bank East
Mellon Bank East philadelphia pennsylvania 19175 United States
19102Middle City East
Middle City East philadelphia pennsylvania 19102 United States
19103Middle City West
Middle City West philadelphia pennsylvania 19103 United States
19190National Passport Agency
National Passport Agency philadelphia pennsylvania 19190 United States
19126Oak Lane
Oak Lane philadelphia pennsylvania 19126 United States
19151Overbrook Hills
Overbrook Hills philadelphia pennsylvania 19151 United States
19148Passyunk
Passyunk philadelphia pennsylvania 19148 United States
19102Penn Ctr
Penn Ctr philadelphia pennsylvania 19102 United States
19172Penn Mutual Ins Co
Penn Mutual Ins Co philadelphia pennsylvania 19172 United States
19188Phila
Phila philadelphia pennsylvania 19188 United States
19126Philadelphia
Philadelphia philadelphia pennsylvania 19126 United States
19099Philadelphia Ndc
Philadelphia Ndc philadelphia pennsylvania 19099 United States
19182Pnc Bank
Pnc Bank philadelphia pennsylvania 19182 United States
19111Rhawnhurst
Rhawnhurst philadelphia pennsylvania 19111 United States
19185Selective Service System
Selective Service System philadelphia pennsylvania 19185 United States
19118Springfield
Springfield philadelphia pennsylvania 19118 United States
19184Sunmark Industries
Sunmark Industries philadelphia pennsylvania 19184 United States
19114Torresdale South
Torresdale South philadelphia pennsylvania 19114 United States
19197Usps Eastern Region Hdqtrs
Usps Eastern Region Hdqtrs philadelphia pennsylvania 19197 United States
19173Verizon
Verizon philadelphia pennsylvania 19173 United States
19179Veterans Administration
Veterans Administration philadelphia pennsylvania 19179 United States
19177Wachovia Bank
Wachovia Bank philadelphia pennsylvania 19177 United States
19106William Penn Annex East
William Penn Annex East philadelphia pennsylvania 19106 United States
19107William Penn Annex West
William Penn Annex West philadelphia pennsylvania 19107 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).
