Mamaroneck New York Area Code

One area code covers Mamaroneck: 914.

The code covering Mamaroneck

Area codes covering Mamaroneck, New York, with what each one primarily serves.
Area code	Primarily serves	In service
914	New York	1947

Scope the codes matched to Mamaroneck. Source geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot) and LocalCallingGuide NPA list (2026-07 NPA list). Updated 16 July 2026. Overlay relationships come from the numbering-plan authority; the place match is computed.

Which part of town has which code

Mamaroneck has a single code, so there is nothing to divide — every local line carries 914.

ZIP codes for the same city

Postal geography is organised separately from telephone geography, so Mamaroneck’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.

Mamaroneck New York ZIP codes →

Nearby places with different codes

These are the closest places to Mamaroneck 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.

The nearest places to Mamaroneck covered by a different set of area codes.
City	Distance	Their area codes
Glen Cove New York area codes	5.6 mi	363, 516
Sea Cliff New York area codes	7.4 mi	363, 516
Bayville New York area codes	8.8 mi	363, 516
Great Neck New York area codes	9.3 mi	363, 516
Mill Neck New York area codes	9.5 mi	363, 516
Bronx New York area codes	10 mi	212, 332, 347, 465, 646, 718, 914, 917, 929
Roslyn New York area codes	10 mi	363, 516
Piermont New York area codes	12 mi	329, 845

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