ZIP Code 21106 is located in Mayo Maryland. 21106 is entirely within Anne Arundel County. Regionally, 21106 is located in Metro Baltimore.
| ZIP Code Name | Mayo |
| Primary County | Anne Arundel County |
| ZIP Code Type | PO Box |
| Current Time | EST |
| Coordinates | 38.90107727,-76.51427460 |
| Adjacent ZIP Codes | |
| Region | Metro Baltimore |
| Metropolitan/Micropolitan Stat Area | Baltimore-Columbia-Towson, MD |
| Time Zone | Eastern Standard Time |
| IANA Timezone | America/New_York |
| Area | 0.00056257 Square Miles |