Home › Connecticut › Long Hill
Long Hill, CT Area Codes
Long Hill, Connecticut (population 8,597) uses area codes 203 and 475.
Long Hill has no telephone exchange of its own in NANPA records; it is served by the Trumbull Center exchange about 4.6 km away.
Carriers with Long Hill numbers
20 prefixes are assigned to the Trumbull Center exchange: 15% mobile, 50% VoIP and cable, 35% landline.
| Carrier | Prefixes |
|---|---|
| Frontier | 5 |
| AT&T Mobility | 3 |
| Lumen (Level 3) | 2 |
| AT&T (Teleport) | 2 |
| Onvoy (Sinch) | 2 |
| Cablevision Lightpath | 1 |
| Paetec Itel | 1 |
| Charter Ip Enabled Services | 1 |
Area codes used in Long Hill
| Area code | Prefixes serving Long Hill | Main carriers in this code |
|---|---|---|
| 203 | 13 | Frontier, Verizon Wireless, AT&T Mobility |
| 475 | 7 | Onvoy (Sinch), Verizon Wireless, T-Mobile |
Long Hill phone number prefixes
Numbers starting with these first six digits were originally assigned to the Trumbull Center exchange.
203-220Cablevision Lightpath203-261Frontier203-268Frontier203-400AT&T Mobility203-445Frontier203-452Frontier203-459Frontier203-590Lumen (Level 3)203-601AT&T (Teleport)203-638Paetec Itel203-816Lumen (Level 3)203-880AT&T (Teleport)203-895AT&T Mobility475-231Charter Ip Enabled Services475-239Peerless Network475-265Bandwidth475-324Onvoy (Sinch)475-386AT&T Mobility475-467Ton80 Communications475-474Onvoy (Sinch)
Nearby cities in area code 203
- Bridgeport
- Stamford
- New Haven
- Waterbury
- Norwalk
- Danbury
- Meriden
- West Haven
- Milford
- Shelton
- Naugatuck
- East Haven
Questions
- What is the area code for Long Hill, CT?
- Long Hill uses 2 area codes: 203 and 475. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Long Hill in?
- Long Hill is in the Eastern time zone.