There are 48 zip codes in Barnstable County, Massachusetts. The most populated is 2536, located in East Falmouth. * 2024 populations estimated based on the latest ACS 5-year data.

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Zip Code
Population
City
253620,909East Falmouth
260117,178Hyannis
264915,144Mashpee
253213,092Buzzards Bay
263211,929Centerville
264510,930Harwich
263110,176Brewster
256310,168Sandwich
26649,282South Yarmouth
26739,246West Yarmouth
25408,615Falmouth
26487,774Marstons Mills
26757,185Yarmouth Port
26606,604South Dennis
25376,408East Sandwich
26536,322Orleans
26425,724Eastham
26334,667Chatham
26673,890Wellfleet
26443,838Forestdale
26573,630Provincetown
25623,485Sagamore Beach
26553,441Osterville
26393,308Dennis Port
25593,205Pocasset
26383,146Dennis
26353,007Cotuit
26682,465West Barnstable
25562,375North Falmouth
26461,950Harwich Port
26301,922Barnstable
25341,460Cataumet
26701,340West Dennis
26501,024North Chatham
2652996North Truro
2659916South Chatham
2543801Woods Hole
2542766Buzzards Bay
2671750West Harwich
2666631Truro
2561481Sagamore
2663462South Wellfleet
2637323Cummaquid
2641319East Dennis
2647159Hyannis Port
255376Monument Beach
267228West Hyannisport
2643East Orleans
showing: 48 rows

Zip Codes in Barnstable County, Massachusetts by Population (2024)