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Ridgefield, CT Area Codes
Ridgefield, Connecticut (population 7,103) uses area codes 203 and 475.
Carriers with Ridgefield numbers
8 prefixes are assigned to the Ridgefield exchange: 0% mobile, 25% VoIP and cable, 75% landline.
| Carrier | Prefixes |
|---|---|
| Frontier | 3 |
| Csc Voice | 1 |
| AT&T (Teleport) | 1 |
| Lumen (CenturyLink) | 1 |
| Ton80 Communications | 1 |
| Onvoy (Sinch) | 1 |
Area codes used in Ridgefield
| Area code | Prefixes serving Ridgefield | Main carriers in this code |
|---|---|---|
| 203 | 5 | Frontier, Verizon Wireless, AT&T Mobility |
| 475 | 3 | Onvoy (Sinch), Verizon Wireless, T-Mobile |
Ridgefield phone number prefixes
Numbers starting with these first six digits were originally assigned to the Ridgefield exchange.
203-244Csc Voice203-403AT&T (Teleport)203-431Frontier203-438Frontier203-894Frontier475-215Lumen (CenturyLink)475-426Ton80 Communications475-575Onvoy (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 Ridgefield, CT?
- Ridgefield 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 Ridgefield in?
- Ridgefield is in the Eastern time zone.