Ingham County Post Offices


Click on the Post Office for all operating hours, servcies, and other information.

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1. Dansville Post Office
1036 S Jackson St
Dansville, MI 48819
517-623-6491 Today 9:00am - 1:00pm,
2:00pm - 4:00pm
2. East Lansing Post Office
1140 Abbot Rd
East Lansing, MI 48823
517-351-1024 Today 8:30am - 7:00pmpassport Passports
3. Haslett Post Office
1518 Haslett Rd
Haslett, MI 48840
517-339-2231 Today 9:00am - 12:00pm,
12:30pm - 5:00pm
4. Holt Post Office
2190 Aurelius Rd
Holt, MI 48842
517-699-2079 Today 9:00am - 5:30pm
5. Downtown Lansing Post Office
315 W Allegan St Ste a
Lansing, MI 48933
517-993-0969 Today 8:30am - 5:00pm
6. Lansing Post Office
4800 Collins Rd
Lansing, MI 48924
517-337-8715 Today 8:30am - 7:30pm
7. Merrill Street Post Office
730 Merrill St
Lansing, MI 48912
517-482-1962 Today 9:00am - 6:00pm
8. Southwest Carrier Annex Post Office
3285 Express Ct
Lansing, MI 48910
517-272-0684
9. Leslie Post Office
170 S Main St
Leslie, MI 49251
517-589-5201 Today 8:00am - 4:15pmpassport Passports
10. Mason Post Office
144 W Ash St
Mason, MI 48854
517-676-9400 Today 9:00am - 5:00pm
11. Okemos Post Office
2025 Central Park Dr
Okemos, MI 48864
517-349-1334 Today 9:00am - 7:00pm
12. Onondaga Post Office
5555 Oak St
Onondaga, MI 49264
517-628-2232 Today 8:00am - 11:00am,
1:00pm - 4:00pm
13. Stockbridge Post Office
117 N Clinton St
Stockbridge, MI 49285
517-851-8509 Today 8:30am - 4:45pm
14. Webberville Post Office
216 W Grand River Rd
Webberville, MI 48892
517-521-3295 Today 10:00am - 1:00pm,
2:00pm - 4:30pm
15. Williamston Post Office
1295 E Grand River Rd
Williamston, MI 48895
517-655-2280 Today 9:00am - 5:00pm
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