ZIP Code 01903 is located in Lynn Massachusetts. 01903 is entirely within Essex County. Regionally, it is located in Metro Boston.
| ZIP Code Name | Lynn |
| Primary County | Essex County |
| ZIP Code Type | PO Box |
| Current Time | EDT |
| Coordinates | 42.46466827,-70.94623566 |
| 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 |