| District of New Jersey area codes: 973 | |
|---|---|
| Country | United States |
| State/Province | New Jersey |
| Major City | Newark |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 973-363 | Passaic | Hawthorne, NJ | Telcove Investment |
| 973-364 | Essex | Caldwell, NJ | Verizon New Jersey |
| 973-365 | Passaic | Passaic, NJ | Verizon New Jersey |
| 973-366 | Morris | Dover, NJ | Verizon New Jersey |
| 973-367 | Essex | Newark, NJ | Verizon New Jersey |
| 973-368 | Essex | Newark, NJ | Teleport Communications Group - New York |
| 973-369 | Essex | Livingston, NJ | Telcove Investment |
| 973-370 | Morris | Mendham, NJ | Telcove Investment |
| 973-371 | Essex | Newark, NJ | Verizon New Jersey |
| 973-372 | Essex | Newark, NJ | Verizon New Jersey |
| 973-373 | Essex | Newark, NJ | Verizon New Jersey |
| 973-374 | Essex | Newark, NJ | Verizon New Jersey |
| 973-375 | Essex | Newark, NJ | Verizon New Jersey |
| 973-376 | Essex | Millburn, NJ | Verizon New Jersey |
| 973-377 | Morris | Madison, NJ | Verizon New Jersey |
| 973-378 | Essex | Orange, NJ | Verizon New Jersey |
| 973-379 | Essex | Millburn, NJ | Verizon New Jersey |
| 973-380 | Essex | Orange, NJ | Telcove Investment |
| 973-381 | Passaic | Paterson, NJ | Usa Mobility Wireless |
| 973-382 | Essex | Orange, NJ | Telcove Investment |
There are 780 prefixes, In the code area, the major cities are Belleville, NJ;Bloomfield, NJ;Clifton, NJ;East Ora. The major city is Newark.