South Boston, MA ZIP Codes, Coordinates & Counties
South Boston, Massachusetts has 1 ZIP code in Suffolk county. The approximate center of South Boston is 42.335, -71.039. South Boston has about 77,462 known street addresses.
ZIP codes in South Boston, MA
| ZIP Code | County | Latitude | Longitude |
|---|---|---|---|
| 02127 | Suffolk | 42.335 | -71.039 |
Counties South Boston spans
Suffolk
Most common streets in South Boston
Broadway, 2nd, 1st, Dorchester, 3rd, Orton Marotta, 4th, Columbia, 7th, 8th
Frequently asked questions
What ZIP codes are in South Boston, MA?
South Boston, Massachusetts has 1 ZIP code, ranging from 02127 to 02127. The full list, with each ZIP's county and coordinates, is in the table on this page.
What county is South Boston, MA in?
South Boston is in Suffolk county.
What are the latitude and longitude of South Boston, MA?
The approximate center of South Boston, Massachusetts is latitude 42.335, longitude -71.039. Coordinates for each ZIP code are listed in the table above.
How many ZIP codes does South Boston, MA have?
South Boston has 1 ZIP code.
How many addresses are in South Boston, MA?
South Boston, Massachusetts has about 77,462 known street addresses in the sthan.io US address database.
What are the most common streets in South Boston, MA?
Some of the most common street names in South Boston are Broadway, 2nd, 1st, Dorchester, 3rd, Orton Marotta.
What cities are near South Boston, MA?
Cities near South Boston include Boston (2 mi), Dorchester (2 mi), Roxbury (2 mi), Charlestown (3 mi), East Boston (3 mi).
Cities near South Boston
Boston, MA (2 mi) Dorchester, MA (2 mi) Roxbury, MA (2 mi) Charlestown, MA (3 mi) East Boston, MA (3 mi) Roxbury Crossing, MA (3 mi) Cambridge, MA (4 mi) Chelsea, MA (4 mi)
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View the API →Last updated: June 2026 · Data: sthan.io US address database