First three digits · Massachusetts
ZIP Codes Starting with
28 ZIP codes start with 025, sorted at the Providence, RI (SCF 028) sectional center (USPS labeling list L005, effective October 1, 2026) in Massachusetts: 25 residential ZIP codes across 4 counties and 3 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 025 mean?
The first digit, 0, is one of ten national areas (Connecticut, Massachusetts, Maine, New Hampshire, New Jersey, Puerto Rico, Rhode Island, Vermont, U.S. Virgin Islands and Armed Forces Europe). The first three, 025, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 025 to the Providence, RI (SCF 028) facility. The last two digits pick the delivery area. By residents, the largest town names among the 025 ZIP codes are East Falmouth, Nantucket, Buzzards Bay, Wareham, Sandwich and Vineyard Haven.
The same facility sorts 5 prefixes, 202 ZIP codes in all: 025, 026, 027, 028, 029.
Where are the 025 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 025
| County | ||||||
|---|---|---|---|---|---|---|
| 02532 | Buzzards Bay | Barnstable County | 13,267 | 962 | $88k | $498k |
| 02534 | Cataumet | Barnstable County | 1,369 | 500 | $137k | $686k |
| 02535 | Chilmark | Dukes County | 2,244 | 92 | $154k | $1.89M |
| 02536 | East Falmouth | Barnstable County | 21,328 | 779 | $101k | $559k |
| 02537 | East Sandwich | Barnstable County | 6,383 | 465 | $137k | $640k |
| 02538 | East Wareham | Plymouth County | 4,074 | 650 | $124k | $392k |
| 02539 | Edgartown | Dukes County | 5,278 | 197 | $125k | $1.2M |
| 02540 | Falmouth | Barnstable County | 8,104 | 736 | $77k | $845k |
| 02541 | Falmouth | Barnstable County | PO Box or unique | – | – | – |
| 02542 | Buzzards Bay | Barnstable County | 882 | 31 | $62k | – |
| 02543 | Woods Hole | Dukes County | 747 | 66 | $72k | $925k |
| 02552 | Menemsha | Dukes County | PO Box or unique | – | – | – |
| 02553 | Monument Beach | Barnstable County | 30 | 152 | – | – |
| 02554 | Nantucket | Nantucket County | 14,212 | 355 | $141k | $1.6M |
| 02556 | North Falmouth | Barnstable County | 2,868 | 727 | $122k | $718k |
| 02557 | Oak Bluffs | Dukes County | 1,250 | 386 | – | $1.29M |
| 02558 | Onset | Plymouth County | 1,734 | 1,552 | $80k | $442k |
| 02559 | Pocasset | Barnstable County | 2,802 | 526 | $91k | $625k |
| 02561 | Sagamore | Barnstable County | 670 | 808 | – | $482k |
| 02562 | Sagamore Beach | Barnstable County | 3,402 | 1,008 | $120k | $591k |
| 02563 | Sandwich | Barnstable County | 10,436 | 790 | $122k | $618k |
| 02564 | Siasconset | Nantucket County | 255 | 42 | – | $1.65M |
| 02568 | Vineyard Haven | Dukes County | 9,412 | 733 | $115k | $937k |
| 02571 | Wareham | Plymouth County | 11,258 | 602 | $94k | $442k |
| 02574 | West Falmouth | Barnstable County | PO Box or unique | – | – | – |
| 02575 | West Tisbury | Dukes County | 2,718 | 119 | $173k | $1.31M |
| 02576 | West Wareham | Plymouth County | 4,168 | 443 | $63k | $387k |
| 02584 | Nantucket | Nantucket County | 16 | 118 | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.