Zip Code Lookup - Somerset, Montgomery county Maryland
| City | ZipCode | Area Code(s) | County | state | Time Zone | MSA |
| Chevy Chase (Chevy Chase Zip Code Lookup) | 20815 (20815 Zip Code Lookup) | 301/240/227 | Montgomery | Maryland | Eastern | 8840 |
| Bethesda (Bethesda Zip Code Lookup) | 20815 (20815 Zip Code Lookup) | 301/240/227 | Montgomery | Maryland | Eastern | 8840 |
| Somerset (Somerset Zip Code Lookup) | 20815 (20815 Zip Code Lookup) | 301/240/227 | Montgomery | Maryland | Eastern | 8840 |