Middletown Iowa Area Code
One area code covers Middletown: 319.
The code covering Middletown
| Area code | Primarily serves | In service |
|---|---|---|
| 319 | Cedar Rapids | 1947 |
Scope the codes matched to Middletown. Source geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot) and LocalCallingGuide NPA list (2026-07 NPA list). Updated . Overlay relationships come from the numbering-plan authority; the place match is computed.
Which part of town has which code
Middletown has a single code, so there is nothing to divide — every local line carries 319.
ZIP codes for the same city
Postal geography is organised separately from telephone geography, so Middletown’s 1 ZIP code do not map onto the codes above. They are listed in full, with the county each falls in, on the postal side of the site.
Nearby places with different codes
These are the closest places to Middletown whose area codes are not the same set. If you are near one of them, a local number may carry a code that is not on the list above.
| City | Distance | Their area codes |
|---|---|---|
| Fruitland Iowa area codes | 37 mi | 563 |
| Fairfield Iowa area codes | 39 mi | 319, 641 |
| Muscatine Iowa area codes | 42 mi | 319, 563 |
| Libertyville Iowa area codes | 42 mi | 641 |
| Milton Iowa area codes | 48 mi | 641 |
| Batavia Iowa area codes | 49 mi | 641 |
| Ollie Iowa area codes | 50 mi | 641 |
| Eldon Iowa area codes | 50 mi | 641 |
Straight-line distance between place reference points, not driving distance.