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Chelsea, MA Area Codes
Chelsea, Massachusetts (population 40,130) uses area codes 617 and 857.
Carriers with Chelsea numbers
16 prefixes are assigned to the Chelsea exchange: 0% mobile, 38% VoIP and cable, 63% landline.
| Carrier | Prefixes |
|---|---|
| Verizon | 6 |
| Metropcs | 2 |
| Paetec Itel | 2 |
| Verizon Business (MCImetro) | 2 |
| Onvoy (Sinch) | 2 |
| Comcast (Xfinity) | 1 |
| Lumen (Level 3) | 1 |
Area codes used in Chelsea
| Area code | Prefixes serving Chelsea | Main carriers in this code |
|---|---|---|
| 617 | 12 | Verizon, Verizon Business (MCImetro), AT&T Mobility |
| 857 | 4 | Verizon Wireless, T-Mobile, Onvoy (Sinch) |
Chelsea phone number prefixes
Numbers starting with these first six digits were originally assigned to the Chelsea exchange.
617-270Metropcs617-336Paetec Itel617-370Verizon Business (MCImetro)617-409Paetec Itel617-461Metropcs617-466Comcast (Xfinity)617-660Verizon617-819Verizon Business (MCImetro)617-884Verizon617-887Verizon617-889Verizon617-958Onvoy (Sinch)857-323Verizon857-386Verizon857-475Onvoy (Sinch)857-776Lumen (Level 3)
Nearby cities in area code 617
Questions
- What is the area code for Chelsea, MA?
- Chelsea uses 2 area codes: 617 and 857. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Chelsea in?
- Chelsea is in the Eastern time zone.