In Russia, 6-digit codes beginning with "03" are generally not in use, as major regions like Moscow start with "10" or "12".
: The number 039504 might be part of a larger shipping tracking number or an internal reference ID rather than a geographic ZIP code. 039504 zip
You can verify and look up official US ZIP codes directly on the USPS ZIP Code Lookup tool . ZIP Code™ Lookup - USPS Tracking In Russia, 6-digit codes beginning with "03" are