Home › New York › Seaford

Seaford, NY Area Codes

Seaford, New York (population 15,884) uses area codes 516 and 363.

Area code516
Area code363
Time zoneEastern
Local time now…

NANPA records do not list Seaford separately: its numbers belong to the Nassau County exchange, which covers the whole area.

SeafordHempsteadLevittownFreeportHicksvilleCoramValley StreamCentral IslipElmontEast MeadowLong BeachUniondaleBaldwinSeaford
Seaford and nearby cities in area code 516

Carriers with Seaford numbers

737 prefixes are assigned to the Nassau County exchange: 33% mobile, 26% VoIP and cable, 41% landline.

CarrierPrefixes
Verizon183
T-Mobile89
Verizon Wireless82
AT&T Mobility70
Onvoy (Sinch)56
Cablevision Lightpath39
Verizon Business (MCImetro)37
Bandwidth30

Area codes used in Seaford

Area codePrefixes serving SeafordMain carriers in this code
516701Verizon, T-Mobile, AT&T Mobility
36336Onvoy (Sinch), AT&T Mobility, Bandwidth

Seaford phone number prefixes

Numbers starting with these first six digits were originally assigned to the Nassau County exchange.

Nearby cities in area code 516

Questions

What is the area code for Seaford, NY?
Seaford uses 2 area codes: 516 and 363. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
What time zone is Seaford in?
Seaford is in the Eastern time zone.