Middletown Connecticut ZIP Codes

Middletown holds 2 ZIP codes, all inside one planning region and one postal prefix.

Every ZIP code in Middletown

The complete list of Middletown, Connecticut ZIP codes with the planning region each falls in.
ZIP code	Planning region
06457	Lower Connecticut River Valley Planning Region
06459	Lower Connecticut River Valley Planning Region

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the Middletown codes above are listed without a column we would have to invent.

Scope every ZIP code recorded for Middletown. Source GeoNames US postal codes (2026-07 postal dump) and Census 2024 county Gazetteer (2024 Gazetteer). Updated 15 July 2026. ZIP codes are delivery-route groupings, not areas; the boundaries implied by any ZIP map are approximations.

How these codes cluster

Every Middletown ZIP code begins 064. Those first three digits identify the sectional center facility that processes mail for this part of Connecticut. Statewide that range covers 64 ZIP codes, so Middletown accounts for 3% of it.

Every Connecticut ZIP prefix and the region it covers →

Area codes covering Middletown

ZIP codes and area codes are separate systems — one routes mail, the other routes calls — and they do not share boundaries. The codes below serve the same ground Middletown occupies.

Middletown Connecticut area codes in full →

Where Middletown's ZIP codes sit

Each point is one Middletown ZIP code, plotted from its record coordinates.

Reference points and footprint
Not an official NANPA boundary
Not a USPS delivery area

Cities near Middletown

The closest places to Middletown with their own ZIP code list, nearest first.
City	Distance	ZIP codes
Meriden Connecticut ZIP codes	7.2 mi	2 ZIP codes
Rocky Hill Connecticut ZIP codes	7.6 mi	1 ZIP code
New Britain Connecticut ZIP codes	11 mi	4 ZIP codes
Southington Connecticut ZIP codes	12 mi	1 ZIP code
Hartford Connecticut ZIP codes	15 mi	36 ZIP codes
Farmington Connecticut ZIP codes	16 mi	3 ZIP codes
Madison Connecticut ZIP codes	17 mi	1 ZIP code
Bristol Connecticut ZIP codes	17 mi	2 ZIP codes

Straight-line distance between place reference points, not driving distance. Where a place has no Census Gazetteer point, its postal centroid is used instead.