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Middle Island, NY Area Codes
Middle Island, New York (population 11,086) uses area codes 631 and 934.
Middle Island has no telephone exchange of its own in NANPA records; it is served by the Yaphank exchange about 7 km away.
Carriers with Middle Island numbers
22 prefixes are assigned to the Yaphank exchange: 36% mobile, 27% VoIP and cable, 36% landline.
| Carrier | Prefixes |
|---|---|
| Verizon | 6 |
| T-Mobile | 6 |
| Lumen (Level 3) | 2 |
| Cablevision Lightpath | 2 |
| Csc Voice | 1 |
| Lte Wireless D/B/A Lte Wireless | 1 |
| Verizon Business (MCImetro) | 1 |
| Onvoy (Sinch) | 1 |
Area codes used in Middle Island
| Area code | Prefixes serving Middle Island | Main carriers in this code |
|---|---|---|
| 631 | 17 | Verizon, Verizon Business (MCImetro), T-Mobile |
| 934 | 5 | Onvoy (Sinch), Fractel, T-Mobile |
Middle Island phone number prefixes
Numbers starting with these first six digits were originally assigned to the Yaphank exchange.
631-205Verizon631-282Verizon631-294T-Mobile631-295Lumen (Level 3)631-341Verizon631-344Verizon631-345Verizon631-394T-Mobile631-448T-Mobile631-504Csc Voice631-550Lte Wireless D/B/A Lte Wireless631-578T-Mobile631-618Lumen (Level 3)631-775Cablevision Lightpath631-816T-Mobile631-924Verizon631-995Verizon Business (MCImetro)934-226T-Mobile934-258Onvoy (Sinch)934-386Fractel934-800Evolve Cellular934-852Cablevision Lightpath
Nearby cities in area code 631
- West Babylon
- Coram
- Central Islip
- Commack
- Huntington Station
- Centereach
- Bay Shore
- Shirley
- Deer Park
- Lindenhurst
- West Islip
- Holbrook
Questions
- What is the area code for Middle Island, NY?
- Middle Island uses 2 area codes: 631 and 934. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Middle Island in?
- Middle Island is in the Eastern time zone.