4 days ago · 289 is an area code located in the province of Ontario, CA. The largest city it serves is Mississauga. Find out where 289 area code zone from, which states, counties and cities it …

Area codes 905, 289, 365, and 742 are telephone area codes in the North American Numbering Plan (NANP) for the Golden Horseshoe region that surrounds Lake Ontario in Southern …

Area code 289 is located in Ontario. Get the area’s map, cities covered, current time, prefixes, and dialing instructions.

About area code 289: location, common spam callers, related area codes, and more. Includes 289 reverse phone lookup to identify spam callers.

Nov 22, 2025 · Area code 289 is in Ontario, Canada. Locate phone numbers 289-200-XXXX through 289-999-XXXX. City list with local time, map and overlaying areas.

Area code 289 is a fundamental part of the telecommunications infrastructure in Ontario, primarily serving the vibrant community of Hamilton. This region, operating within the Eastern time …

289 Area Code 🌍☎️ The 289 Area Code is located in Ontario, Canada. It covers roughly 7,719,992 unique phone numbers.

Find out where the 289 area code is located. Use our free reverse phone lookup to identify callers, see associated cities, and browse all phone number prefixes.

Browse area code 289 phone numbers, prefixes and exchanges. The 289 area code serves Richmond Hill, Brampton, Oshawa, St Catharines, Burlington, covering 118 ZIP codes in 0 …

Jun 9, 2001 · Area Code 289 Map and Data Area Code 289 Profile ... Area Code 289 Boundary Map List of Forward Sortation Areas in Area Code 289