Portland, CT ZIP Codes, Coordinates & Counties

Portland, Connecticut has 1 ZIP code in Middlesex county. The approximate center of Portland is 41.599, -72.589. Portland has about 19,145 known street addresses.

ZIP codes
1
Counties
1
State
Connecticut (CT)
Coordinates
41.599, -72.589
Mapped addresses
19,145

ZIP codes in Portland, CT

ZIP CodeCountyLatitudeLongitude
06480 Middlesex 41.599 -72.589

Counties Portland spans

Middlesex

Most common streets in Portland

Main, Marlborough, William, South, Maple, Grove, Summer, Cox, Airline, Fairway

Frequently asked questions

What ZIP codes are in Portland, CT?

Portland, Connecticut has 1 ZIP code, ranging from 06480 to 06480. The full list, with each ZIP's county and coordinates, is in the table on this page.

What county is Portland, CT in?

Portland is in Middlesex county.

What are the latitude and longitude of Portland, CT?

The approximate center of Portland, Connecticut is latitude 41.599, longitude -72.589. Coordinates for each ZIP code are listed in the table above.

How many ZIP codes does Portland, CT have?

Portland has 1 ZIP code.

How many addresses are in Portland, CT?

Portland, Connecticut has about 19,145 known street addresses in the sthan.io US address database.

What are the most common streets in Portland, CT?

Some of the most common street names in Portland are Main, Marlborough, William, South, Maple, Grove.

What cities are near Portland, CT?

Cities near Portland include Cobalt (3 mi), Cromwell (4 mi), East Hampton (5 mi), Middle Haddam (5 mi), Middletown (5 mi).

Cities near Portland

Cobalt, CT (3 mi) Cromwell, CT (4 mi) East Hampton, CT (5 mi) Middle Haddam, CT (5 mi) Middletown, CT (5 mi) South Glastonbury, CT (5 mi) Rocky Hill, CT (6 mi) East Berlin, CT (7 mi)

All Connecticut cities →

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Last updated: June 2026 · Data: sthan.io US address database