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Just because the mailing address is "Littleton" doesn't mean that the address is actually within the Littleton city limits.

The U.S. Post Office has designated the name "Littleton" to stand for several local communities, both incorporated and unincorporated areas of three counties. ZIP codes can represent an area within a state (an area that may or may not cross county boundaries), an area that crosses state boundaries (an unusual condition), or a single building or company that has a very high mail volume.

The following ZIP codes are associated with the city name "Littleton" in Colorado:

ZIP code How much in
Littleton?
County Alternate city names (used by the USPS) Type of ZIP code
80120 Completely within the Littleton city limits Arapahoe Standard
80121 Partially within the Littleton city limits Arapahoe Greenwood Village, Centennial Standard
80122 Partially Arapahoe Centennial Standard
80123 Partially Arapahoe, Jefferson Bow Mar, Columbine Valley, Denver, Lakewood Standard
80124 No Douglas Highlands Ranch,
Lone Tree
Standard
80125 No Douglas Standard
80126 Partially Douglas Highlands Ranch Standard
80127 Partially Jefferson Denver Standard
80128 Partially Arapahoe, Jefferson Standard
80129 No Douglas Highlands Ranch Standard
80130 No Douglas Highlands Ranch Standard
80160 Yes Arapahoe Littleton P.O. Boxes
80161 Yes Arapahoe Littleton P.O. Boxes
80162 Yes Jefferson Littleton P.O. Boxes
80163 Yes Douglas Highlands Ranch P.O. Boxes
Last updated: 11/14/2014 1:23:37 PM