Post Offices List in Madison City, New Jersey:
| Madison Post Office | 10 Lincoln Pl, Madison, NJ 07940 |
| Madison Carrier Annex Post Office | 33 Central Ave, Madison, NJ 07940 |
| Madison Post Office | 10 Lincoln Pl, Madison, NJ 07940 |
| Madison Carrier Annex Post Office | 33 Central Ave, Madison, NJ 07940 |