First three digits · Colorado
ZIP Codes Starting with
15 ZIP codes start with 815, sorted at the Grand Junction, CO (SCF 814) sectional center (USPS labeling list L005, effective October 1, 2026) in Colorado: 14 residential ZIP codes across 1 county and 1 PO Box or single-organization code (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 815 mean?
The first digit, 8, is one of ten national areas (Arizona, Colorado, Idaho, New Mexico, Nevada, Utah and Wyoming). The first three, 815, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 815 to the Grand Junction, CO (SCF 814) facility. The last two digits pick the delivery area. By residents, the largest town names among the 815 ZIP codes are Grand Junction, Fruita, Clifton, Palisade, Loma and Whitewater.
The same facility sorts 3 prefixes, 79 ZIP codes in all: 814, 815, 816.
Where are the 815 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 815
| County | ||||||
|---|---|---|---|---|---|---|
| 81501 | Grand Junction | Mesa County | 24,011 | 2,768 | $54k | $315k |
| 81502 | Grand Junction | Mesa County | PO Box or unique | – | – | – |
| 81503 | Grand Junction | Mesa County | 16,558 | 752 | $75k | $352k |
| 81504 | Grand Junction | Mesa County | 32,376 | 1,203 | $71k | $317k |
| 81505 | Grand Junction | Mesa County | 13,279 | 184 | $91k | $468k |
| 81506 | Grand Junction | Mesa County | 11,412 | 477 | $79k | $448k |
| 81507 | Grand Junction | Mesa County | 15,947 | 142 | $108k | $516k |
| 81520 | Clifton | Mesa County | 12,892 | 627 | $50k | $250k |
| 81521 | Fruita | Mesa County | 16,613 | 91 | $89k | $423k |
| 81522 | Gateway | Mesa County | no residents | 0 | – | – |
| 81523 | Glade Park | Mesa County | 983 | 3 | $107k | $761k |
| 81524 | Loma | Mesa County | 2,760 | 20 | $100k | $666k |
| 81525 | Mack | Mesa County | 1,127 | 7 | $114k | $430k |
| 81526 | Palisade | Mesa County | 5,559 | 77 | $88k | $502k |
| 81527 | Whitewater | Mesa County | 1,462 | 2 | $77k | $426k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.