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Mountainside, NJ Area Code
Mountainside, New Jersey (population 7,346) uses area code 908.
Mountainside has no telephone exchange of its own in NANPA records; it is served by the Westfield exchange about 3.5 km away.
Carriers with Mountainside numbers
23 prefixes are assigned to the Westfield exchange: 9% mobile, 26% VoIP and cable, 65% landline.
| Carrier | Prefixes |
|---|---|
| Verizon | 9 |
| Paetec Itel | 3 |
| Verizon Business (MCImetro) | 3 |
| T-Mobile | 2 |
| Lumen (Level 3) | 2 |
| Aquis Communications | 1 |
| Onvoy (Sinch) | 1 |
| Cooperative Communications | 1 |
Area codes used in Mountainside
| Area code | Prefixes serving Mountainside | Main carriers in this code |
|---|---|---|
| 908 | 23 | Verizon, Lumen (Level 3), Verizon Wireless |
Mountainside phone number prefixes
Numbers starting with these first six digits were originally assigned to the Westfield exchange.
908-228T-Mobile908-232Verizon908-233Verizon908-264Lumen (Level 3)908-301Verizon908-317Verizon908-379Paetec Itel908-389Verizon908-390Aquis Communications908-408Onvoy (Sinch)908-456T-Mobile908-518Verizon908-519Paetec Itel908-543Verizon Business (MCImetro)908-588Verizon Business (MCImetro)908-654Verizon908-664Cooperative Communications908-728Lumen (Level 3)908-789Verizon908-873Paetec Itel908-913Monmouth Telephone And Telegraph908-928Verizon908-935Verizon Business (MCImetro)
Nearby cities in area code 908
- Elizabeth
- Plainfield
- New Brunswick
- Perth Amboy
- Linden
- Long Branch
- Westfield
- South Plainfield
- Somerset
- Summit
- Roselle
- North Plainfield
Questions
- What is the area code for Mountainside, NJ?
- The area code for Mountainside, New Jersey is 908.
- What time zone is Mountainside in?
- Mountainside is in the Eastern time zone.