Zip Code 02655 — Osterville, MA

ZIP Code 02655 is associated with Osterville, MA, in Barnstable County. The listed population estimate is 4,024; estimated density is 240.1 people per square mile. Among records with population estimates, it ranks #19 of 45 in Barnstable County and #363 of 532 in MA.
Page generated: 2026-10-08. This is not the source data release date.

📍 View location on OpenStreetMap (41.629720, -70.392630)

Data MetricLocal Statistic
Postal / Zip Code02655
Primary CityOsterville
State / ProvinceMA
CountyBarnstable
Total Population4,024
Population Density240.1 people/sq mi
TimezoneAmerica/New_York

How 02655 Compares

MetricZIP 02655Barnstable County recordsMA records
Population estimate4,024233,025 (sum)7,043,978 (sum)
Population Density240.1 /sq mi----
County population rank#19 of 45----
State population rank#363 of 532----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in MA

ZIP CodeCityDistancePopulation estimate
ZIP 02635Cotuit2.5 mi3,577
ZIP 02632Centerville3.1 mi11,685
ZIP 02648Marstons Mills3.2 mi7,968
ZIP 02672West Hyannisport3.8 miN/A
ZIP 02647Hyannis Port4.3 mi209

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →