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Belmont, MA Area Codes
Belmont, Massachusetts (population 27,009) uses area codes 617 and 857.
Carriers with Belmont numbers
17 prefixes are assigned to the Belmont exchange: 0% mobile, 47% VoIP and cable, 53% landline.
| Carrier | Prefixes |
|---|---|
| Verizon | 6 |
| Verizon Business (MCImetro) | 3 |
| Onvoy (Sinch) | 2 |
| Rcn Telecom Services | 1 |
| Lumen (Level 3) | 1 |
| Tc Systems | 1 |
| Bandwidth | 1 |
| Paetec Itel | 1 |
Area codes used in Belmont
| Area code | Prefixes serving Belmont | Main carriers in this code |
|---|---|---|
| 617 | 10 | Verizon, Verizon Business (MCImetro), AT&T Mobility |
| 857 | 7 | Verizon Wireless, T-Mobile, Onvoy (Sinch) |
Belmont phone number prefixes
Numbers starting with these first six digits were originally assigned to the Belmont exchange.
617-209Rcn Telecom Services617-484Verizon617-486Verizon617-489Verizon617-826Lumen (Level 3)617-855Verizon617-883Verizon617-932Tc Systems617-977Verizon Business (MCImetro)617-993Verizon857-299Onvoy (Sinch)857-341Bandwidth857-373Paetec Itel857-394Verizon Business (MCImetro)857-550Commio857-626Verizon Business (MCImetro)857-678Onvoy (Sinch)
Nearby cities in area code 617
Questions
- What is the area code for Belmont, MA?
- Belmont 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 Belmont in?
- Belmont is in the Eastern time zone.