01812 is the ZIP Code for The Internal Revenue Service in Andover, Massachusetts. 01812 is entirely within Essex County. Regionally, it is located in Metro Boston.
| ZIP Code Name | Andover |
| Organization | The Internal Revenue Service |
| Primary County | Essex County |
| ZIP Code Type | Unique |
| Current Time | EDT |
| Coordinates | 42.64838791,-71.18324280 |
| Adjacent ZIP Codes | |
| Region | Metro Boston |
| Metropolitan/Micropolitan Stat Area | Boston-Cambridge-Newton, MA-NH |
| Time Zone | Eastern Daylight Time |
| IANA Timezone | America/New_York |