Zone Improvement Plan Code
A system established in 1963 that uses 5-digit codes to identify the individual post offices or delivery stations in metropolitan areas associated with an address.
A system established in 1963 that uses 5-digit codes to identify the individual post offices or delivery stations in metropolitan areas associated with an address.
Open Monday - Friday: 9:30am-5:30pm
*Closed Saturday & Sunday*
Open Monday - Friday: 7:30AM - 3:30PM
*Closed Saturday & Sunday*