Active Prefixes in Area Code 450
| Prefix | Primary City | Phone Type | Company |
|---|---|---|---|
| 450-231-#### | Chomedey | Landline | Iristel Inc.... |
| 450-232-#### | Laval-Est | Landline | Iristel Inc.... |
| 450-233-#### | Laval-Ouest | Landline | Iristel Inc.... |
| 450-234-#### | Sainte-Rose | Landline | Iristel Inc.... |
| 450-235-#### | Saint-Vincent-de-Paul | Landline | Iristel Inc.... |
| 450-236-#### | Acton Vale | Wireless | Rogers Communication... |
| 450-237-#### | Howick | Landline | Videotron General Pa... |
| 450-238-#### | Chomedey | Landline | Isp Telecom... |
| 450-239-#### | Laval-Est | Landline | Isp Telecom... |
| 450-240-#### | Landline | Bell Canada... | |
| 450-241-#### | Laval-Ouest | Landline | Isp Telecom... |
| 450-242-#### | Knowlton | Landline | Bell Canada... |
| 450-243-#### | Knowlton | Landline | Bell Canada... |
| 450-244-#### | Venise-en-Quebec | Landline | Telebec Ltee.... |
| 450-245-#### | Napierville | Landline | Bell Canada... |
| 450-246-#### | Lacolle | Landline | Bell Canada... |
| 450-247-#### | Hemmingford | Landline | Bell Canada... |
| 450-248-#### | Bedford | Landline | Bell Canada... |
| 450-249-#### | Sorel | Landline | Isp Telecom... |
| 450-250-#### | Saint-Hyacinthe | Landline | Maskatel... |
| 450-251-#### | Saint-Hyacinthe | Landline | Maskatel... |
| 450-252-#### | Saint-Hyacinthe | Landline | Maskatel... |
| 450-253-#### | Landline | Maskatel... | |
| 450-254-#### | Sainte-Rose | Landline | Isp Telecom... |
| 450-255-#### | Saint-Vincent-de-Paul | Landline | Isp Telecom... |
| 450-256-#### | Pont-Viau | Landline | Isp Telecom... |
| 450-258-#### | Mirabel:Sainte-Scholastique | Landline | Bell Canada... |
| 450-259-#### | Saint-Lambert | Landline | Isp Telecom... |
| 450-260-#### | Cowansville | Landline | Bell Canada... |
| 450-261-#### | Saint-Hyacinthe | Landline | Bell Canada... |
Area Code 450 Introduction
| Area Code: | 450 |
| Country: | Canada |
| State/Province: | Quebec |
| Major City: | Terrebone |
| Time Zone: | Eastern |
| About 450 : | |
| 450 is the area code for off-island suburbs of Montreal, in the Canadian province of Quebec. It is also shared by small communities in an adjacent part of Ontario. In 2010, area code 450 is slated to be overlain by area code 579. |
|
| Major cities or places | |
| Area codes 450 and 579 serve the many suburbs of Montreal including the communities of Boucherville, Chambly, Joliette, Laval, Longueuil, Varennes, Roussillon, and Saint-Hyacinthe. Montreal is served by 514 and 438. | |