Maryland Line Maryland is covered by a total of 2 ZIP Codes. The ZIP Codes in Maryland Line range from 21053 to 21105. Of the ZIP codes within or partially within Maryland Line there are 1 Standard ZIP Codes and 1 PO Box ZIP Codes. The total population of ZIP Codes in Maryland Line is 3091.
Click on the ZIP Codes in the interactive map to view more information. The map control in the upper right corner can be used to toggle map layers on and off. The red outline is the border of Maryland Line and can be turned on and off. Each type of postal code can also be turned on and off.
| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Freeland | Standard | |||
| Maryland Line | PO Box |