Home › New Jersey › Hillsdale
Hillsdale, NJ Area Codes
Hillsdale, New Jersey (population 10,214) uses area codes 201 and 551.
Hillsdale has no telephone exchange of its own in NANPA records; it is served by the Westwood exchange about 2.3 km away.
Carriers with Hillsdale numbers
16 prefixes are assigned to the Westwood exchange: 0% mobile, 63% VoIP and cable, 38% landline.
| Carrier | Prefixes |
|---|---|
| Verizon | 6 |
| Verizon Business (MCImetro) | 3 |
| Onvoy (Sinch) | 3 |
| AT&T (Teleport) | 1 |
| Bandwidth | 1 |
| Vonage | 1 |
| Telnyx | 1 |
Area codes used in Hillsdale
| Area code | Prefixes serving Hillsdale | Main carriers in this code |
|---|---|---|
| 201 | 10 | Verizon, Verizon Business (MCImetro), AT&T Mobility |
| 551 | 6 | Onvoy (Sinch), T-Mobile, Verizon Wireless |
Hillsdale phone number prefixes
Numbers starting with these first six digits were originally assigned to the Westwood exchange.
201-263Verizon201-358Verizon201-383Verizon Business (MCImetro)201-497AT&T (Teleport)201-594Verizon201-664Verizon201-666Verizon201-722Verizon201-781Verizon Business (MCImetro)201-829Verizon Business (MCImetro)551-282Bandwidth551-310Vonage551-324Telnyx551-398Onvoy (Sinch)551-751Onvoy (Sinch)551-800Onvoy (Sinch)
Nearby cities in area code 201
- Jersey City
- Bayonne
- Union City
- Hoboken
- West New York
- Hackensack
- Kearny
- Fort Lee
- Fair Lawn
- Englewood
- Bergenfield
- Paramus
Questions
- What is the area code for Hillsdale, NJ?
- Hillsdale uses 2 area codes: 201 and 551. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.
- What time zone is Hillsdale in?
- Hillsdale is in the Eastern time zone.