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Central Islip, NY Area Codes
Central Islip, New York (population 37,751) uses area codes 631, 516 and 934.
Carriers with Central Islip numbers
41 prefixes are assigned to the Central Islip exchange: 37% mobile, 20% VoIP and cable, 44% landline.
| Carrier | Prefixes |
|---|---|
| T-Mobile | 13 |
| Verizon | 9 |
| Paetec Itel | 4 |
| Cablevision Lightpath | 3 |
| Verizon Business (MCImetro) | 3 |
| Tc Systems | 3 |
| Onvoy (Sinch) | 1 |
| Lumen (Level 3) | 1 |
Area codes used in Central Islip
| Area code | Prefixes serving Central Islip | Main carriers in this code |
|---|---|---|
| 631 | 32 | Verizon, Verizon Business (MCImetro), T-Mobile |
| 516 | 5 | Verizon, T-Mobile, AT&T Mobility |
| 934 | 4 | Onvoy (Sinch), Fractel, T-Mobile |
Central Islip phone number prefixes
Numbers starting with these first six digits were originally assigned to the Central Islip exchange.
631-203Onvoy (Sinch)631-232Verizon631-234Verizon631-272Verizon631-297Paetec Itel631-334T-Mobile631-342Verizon631-348Verizon631-415Lumen (Level 3)631-431T-Mobile631-439Cablevision Lightpath631-452T-Mobile631-463T-Mobile631-523T-Mobile631-533Verizon Business (MCImetro)631-582Verizon631-630Cablevision Lightpath631-664T-Mobile631-715Tc Systems631-761Cablevision Lightpath631-778Verizon Business (MCImetro)631-784Tc Systems631-787Tc Systems631-822Paetec Itel631-851Verizon631-853Verizon631-870Paetec Itel631-881At&T - Local631-882T-Mobile631-904Verizon631-930Paetec Itel631-963Verizon Business (MCImetro)516-607T-Mobile516-810T-Mobile516-909T-Mobile516-983T-Mobile516-991T-Mobile934-220T-Mobile934-252Csc Wireless934-432Fractel934-666Evolve Cellular
Nearby cities in area code 631
- West Babylon
- Coram
- Commack
- Huntington Station
- Centereach
- Bay Shore
- Shirley
- Deer Park
- Lindenhurst
- West Islip
- Holbrook
- Medford
Questions
- What is the area code for Central Islip, NY?
- Central Islip uses 3 area codes: 631, 516 and 934. Different parts of the area are served by different codes.
- What time zone is Central Islip in?
- Central Islip is in the Eastern time zone.