ZIP Codes in Billings, MT
Billings uses 4 ZIP codes, all in Yellowstone County. Pick one below for details, or look up the full nine-digit ZIP+4 for a specific street address.
All 4 Billings ZIP codes
| ZIP | Type | County | Population |
|---|---|---|---|
| 59101 | standard | Yellowstone | 42,250 |
| 59102 | standard | Yellowstone | 47,977 |
| 59105 | standard | Yellowstone | 35,480 |
| 59106 | standard | Yellowstone | 21,417 |
Finding a ZIP+4 in Billings
Knowing which of these 4 ZIP codes covers an address only gets you partway. The four-digit extension identifies the specific delivery point — typically one side of one block. Two houses facing each other on the same Billings street almost always have different ZIP+4 codes even though they share all five leading digits.
Appending ZIP+4 to a mailing list?
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