Organization / Program Name(s)Located In Office Phone E-Mail Website
La Leche League Canada, Ajax-PickeringAjax
La Leche League Canada, Oshawa/Whitby GroupWhitby
Lake Ridge Community Support ServicesWhitby 905-666-9688
Lake Simcoe Region Conservation AuthorityNewmarket 905-895-1281
Lakeridge Health Ajax and PickeringAjax Main Switchboard 905-683-2320
Lakeridge Health Ajax and Pickering, Adult Mental Health ServicesAjax 905-683-2320 ext 3275
Lakeridge Health Ajax and Pickering, Diabetes EducationAjax 905-683-2320 ext 5269
Lakeridge Health Ajax and Pickering, Outpatient Diabetes ClinicAjax 905-683-2320 ext 5269
Lakeridge Health Ajax and Pickering, Outpatient RehabilitationAjax 905-683-2320 ext 1213
Lakeridge Health BowmanvilleBowmanville 905-623-3331
Lakeridge Health FoundationOshawa 905-433-4339
Lakeridge Health OshawaOshawa 905-576-8711
Lakeridge Health Oshawa, Courtice, Community Respiratory ServicesCourtice 905-721-4800 * 905-576-8711 ext 4800
Lakeridge Health Oshawa, Durham Region Domestic Violence/Sexual Assault Care CentreOshawa 905-576-8711 ext 3286
Lakeridge Health Oshawa, GAIN Geriatric ClinicOshawa 905-576-8711
Lakeridge Health Oshawa, Mental Health Day Treatment ProgramOshawa 905-576-8711 ext 4144
Lakeridge Health Oshawa, Rehabilitation ServicesOshawa 905-576-8711
Lakeridge Health Oshawa, Oshawa - King St, Eating Disorders ProgramOshawa 905-576-8711 ext 4622
Lakeridge Health Oshawa, Pinewood Centre, Substance Use and Problem Gambling Treatment ServicesOshawa 905-723-8195
Lakeridge Health Oshawa, Pinewood Centre, Whitby - Cochrane St, Women's Residential Treatment ProgramWhitby 905-668-1858 * Intake ext 229
Lakeridge Health Oshawa, Whitby - Dundas St E, Interact Community Mental Health ProgramWhitby 905-576-8711 ext 6029
Lakeridge Health Port PerryPort Perry 905-985-7321
Lakeridge Health Port Perry, Diabetes ProgramPort Perry 905-576-8711 ext 3726
Lakeridge Health Whitby, Specialty HospitalWhitby 905-668-6831
Lakeridge Health Whitby, Adult Diabetes Education Centre and Outpatient ProgramWhitby 905-576-8711 ext 3726
Lakeridge Health Whitby, Ambulatory Rehabilitation Centre, Neurological RehabilitationWhitby 905-668-6831 ext 3093
Lakeridge Health Whitby, Positive Care ClinicWhitby 905-668-6831 ext 53127
Lakeview ManorBeaverton 705-426-7388
Lakeview Manor, Adult Day ProgramBeaverton 705-426-7388 ext 5327
L'Amicale du centre communautaire francophone de la Région de DurhamWhitby 905-432-1334
L'Assemblée des communautés francophones de l'Ontario, Durham-PeterboroughWhitby 905-571-0826
Law Society of OntarioToronto Downtown Central 416-947-3300
Le centre de services de garde Les Lucioles Inc.Oshawa 905-728-1421
Leadership DurhamAjax 905-686-2661
League of Ukrainian Canadian WomenOshawa 905-433-0471  
Learning Disabilities Association of Durham RegionPickering 905-430-9230
Legal Aid Ontario, Oshawa - Simcoe St NOshawa Oshawa 905-576-2334
Legal LineToronto Downtown Administration 416-929-8800 ext 899
Leukemia and Lymphoma Society of Canada - Ontario RegionNorth York East 647-253-5530
LGBT YouthLine, Lesbian Gay Bi Trans YouthLineToronto Downtown Toronto and area 416-962-2232 * text 647-694-4275
Lice, Durham Region, Head Lice Removal ServiceWhitby 905-430-5423
LifeMark PhysiotherapyWhitby 905-668-0414
LifeMark Physiotherapy DurhamOshawa 905-436-6838
Lions Club of BowmanvilleBowmanville
Lions Club of North OshawaOshawa 905-723-0931
Literacy Council of Durham Region, Literacy and Basic SkillsOshawa 905-434-5441
Literacy Network of Durham RegionDurham Region 905-391-9660
Little People of OntarioToronto
LivingRoom Community Art Studio (The), Living Room Community Art Studio (The)Oshawa
Loft (The), Courtice, Courtice Youth CentreCourtice 905-623-6814 ext 36
Loreley Rifle AssociationOshawa
Lovell Drugs, Oshawa - Rossland Rd WOshawa 905-728-4668 * Post office 905-725-5860
Lovell Drugs, Oshawa - King St EOshawa 905-723-2245 * Post Office 905-723-3843
Lovell Drugs, WhitbyWhitby 905-668-3394
Loyal Order of Moose, Oshawa Lodge #2132Oshawa 905-433-2393
Luke's PlaceDurham Region 905-728-0978
Lung Association (The) - OntarioNorth York East 416-864-9911
Lupus Ontario, Durham Support GroupMarkham 905-415-1099
Lviv HallOshawa Hall 905-723-8762
Lynde Creek Manor Retirement ResidenceWhitby 905-665-9227