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Watertown, MA Area Codes
Watertown, Massachusetts (population 35,710) uses area codes 617 and 857.
Carriers with Watertown numbers
21 prefixes are assigned to the Watertown exchange: 0% mobile, 38% VoIP and cable, 62% landline.
| Carrier | Prefixes |
|---|---|
| Verizon | 5 |
| Verizon Business (MCImetro) | 3 |
| Tc Systems | 3 |
| Paetec Itel | 2 |
| Lumen (Level 3) | 1 |
| Rcn Telecom Services | 1 |
| Peerless Network | 1 |
| Metropcs | 1 |
Area codes used in Watertown
| Area code | Prefixes serving Watertown | Main carriers in this code |
|---|---|---|
| 617 | 15 | Verizon, Verizon Business (MCImetro), AT&T Mobility |
| 857 | 6 | Verizon Wireless, T-Mobile, Onvoy (Sinch) |
Watertown phone number prefixes
Numbers starting with these first six digits were originally assigned to the Watertown exchange.
617-231Lumen (Level 3)617-321Paetec Itel617-393Rcn Telecom Services617-402Peerless Network617-458Metropcs617-600Verizon Business (MCImetro)617-607Verizon Business (MCImetro)617-612Tc Systems617-668Verizon Business (MCImetro)617-673Verizon617-744Comcast (Xfinity)617-923Verizon617-924Verizon617-926Verizon617-972Verizon857-228Paetec Itel857-304Tc Systems857-367Tc Systems857-371Onvoy (Sinch)857-737Ton80 Communications857-760Bandwidth
Nearby cities in area code 617
Questions
- What is the area code for Watertown, MA?
- Watertown 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 Watertown in?
- Watertown is in the Eastern time zone.