There are 2 Post Offices in San Antonio, New Mexico, serving a population of 14 people in an area of 1 square miles. There is 1 Post Office per 7 people, and 1 Post Office per square mile.
In New Mexico, San Antonio is ranked 63rd of 544 cities in Post Offices per capita, and 65th of 544 cities in Post Offices per square mile.
Find addresses, phone numbers, fax numbers, hours & services for San Antonio Post Offices.
US Post Office 65a Highway 380 San Antonio, NM
United States Postal Service 65a Highway 380 San Antonio, NM Mailing Service, Postal Services