| Prefixes | City | County | Line Type | Company |
|---|---|---|---|---|
| 551-199 | New York | New York | Unknown | |
| 551-200 | Jersey City | Hudson | Cell Phone | Cellco Partnership Dba Veri... |
| 551-206 | Saddle Brook | Bergen | Cell Phone | Cellco Partnership Dba Veri... |
| 551-208 | Hamburg | Sussex | Cell Phone | New Cingular Wireless Pcs,... |
| 551-221 | Jersey City | Hudson | Cell Phone | Omnipoint Communications, I... |
| 551-222 | Newton | Sussex | Landline | Unknown |
| 551-265 | Leonia | Bergen | Cell Phone | Cellco Partnership Dba Veri... |
| 551-358 | Long Island City | Queens | Cell Phone | Omnipoint Communications, I... |
| 551-404 | Jersey City | Hudson | Cell Phone | Omnipoint Communications, I... |
| 551-427 | Englewood | Bergen | Cell Phone | Cellco Partnership Dba Veri... |
| 551-482 | North Bergen | Hudson | Cell Phone | New Cingular Wireless Pcs,... |
| 551-486 | Demarest | Bergen | Cell Phone | Cellco Partnership Dba Veri... |
| 551-497 | Maywood | Bergen | Cell Phone | Cellco Partnership Dba Veri... |
| 551-513 | Jersey City | Hudson | Landline | Unknown |
| 551-556 | Astoria | Queens | Cell Phone | Omnipoint Communications, I... |
| 551-580 | Kearny | Hudson | Cell Phone | New Cingular Wireless Pcs,... |
| 551-678 | Jersey City | Hudson | Landline | Unknown |
| 551-697 | Bayonne | Hudson | Cell Phone | Cellco Partnership Dba Veri... |
| 551-795 | Montvale | Bergen | Cell Phone | Cellco Partnership Dba Veri... |
| 551-804 | Stockholm | Sussex | Cell Phone | Sprint Spectrum L.p. |
| 551-998 | Jersey City | Hudson | Cell Phone | Omnipoint Communications, I... |
| 551-999 | Norwalk | Fairfield | Landline | Unknown |