Lynn, MA ZIP Codes, Area Codes and Address Format

City guides  |  June 22, 2026  |  2 min read

Lynn is one of the busiest mail areas in Massachusetts, with 4 standard ZIP codes in Essex County. Here is everything you need to format a Lynn address correctly.

State

Massachusetts (MA)

County

Essex County

Standard ZIP codes

4

Time zone

Eastern

Lynn ZIP codes

These are the standard delivery ZIP codes for Lynn. The city has 6 ZIP codes in total when PO Box and unique codes are included.

• 01901
• 01902
• 01904
• 01905

Area codes in Lynn

Lynn phone numbers use 339, 351, 781 and 978. With more than one code in use, residents on the same street can have different area codes.

Sample Lynn addresses

The street lines are invented; the city, state and ZIP codes are real. Use them for form testing, mockups and training materials, never for real orders.

How to write an address in Lynn

• End the address with LYNN, MA and the five-digit ZIP code.
• Put apartment or suite numbers at the end of the street line.
• Use USPS abbreviations such as ST, AVE and BLVD.
• Match the ZIP code to the street. Lynn has 4 codes, so the city name alone is not enough.

Other cities in Essex County

Haverhill, Lawrence

More Massachusetts cities

Haverhill, Cambridge, Boston, Lawrence, Springfield, or see all Massachusetts cities.