Saint Mary, Nebraska Area Code

Saint Mary, NE Area Codes are

402 and 531

Saint Mary, NE is officially utilizing an area code overlay in which area codes 402 and 531 serve the same geographic area. Ten digit dialing (area code + seven digit number) is necessary.

In addition to Saint Mary, NE area code information read more about area codes 402 and 531 details and Nebraska area codes.

Saint Mary, NE is located in Johnson County and observes the Central Time Zone.
View our Times by Area Code tool.

Nebraska Area Code Map


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