| District of New York area codes: 518 | |
|---|---|
| Country | United States |
| State/Province | New York |
| Major City | Schenectady |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 518-323 | Franklin | Saranac Lake, NY | Mid-hudson Communications |
| 518-324 | Clinton | Plattsburgh, NY | Primelink |
| 518-325 | Columbia | Hillsdale, NY | Taconic Telephone Corp. |
| 518-326 | Albany | Troy, NY | Paetec Communications |
| 518-327 | Franklin | Paul Smiths, NY | Frontier Communications Of Ausable Valley |
| 518-328 | Albany | Troy, NY | Choice One Communications |
| 518-329 | Columbia | Copake, NY | Taconic Telephone Corp. |
| 518-330 | Albany | Albany, NY | Sprint Spectrum L.p. |
| 518-331 | Albany | Albany, NY | Sprint Spectrum L.p. |
| 518-332 | Fulton | Gloversville, NY | Cellco Partnership DBA Verizon Wireless |
| 518-333 | Franklin | Ft Covington, NY | Time Warner Cable Info Svce (new York) LLC-ny |
| 518-334 | Albany | Colonie, NY | Omnipoint Communications |
| 518-335 | Clinton | Plattsburgh, NY | Sprint Spectrum L.p. |
| 518-336 | Albany | Albany, NY | Teleport Communications Group |
| 518-337 | Albany | Albany, NY | Teleport Communications Group |
| 518-338 | Warren | Glens Falls, NY | Global Crossing Local Services-ny |
| 518-339 | Albany | Albany, NY | Cellco Partnership DBA Verizon Wireless |
| 518-340 | Albany | Albany, NY | Central Vermont Communications |
| 518-341 | Schenectady | Schenectady, NY | Usa Mobility Wireless |
| 518-342 | Schenectady | Schenectady, NY | Usa Mobility Wireless |
There are 685 prefixes, In the code area, the major cities are Albany, NY;Rotterdam, NY;Saratoga Springs, NY;Sche. The major city is Schenectady.