Canadian Telephone Area Codes
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742 - Southern Ontario Area Code 742 Telephone Exchanges / Prefixes
Major Cities/Towns: Brampton - Ajax-Pickering - St. Catharines-Thorold - Uxbridge - Cooksville
PrefixCompanyStatusLocation
247ONAssignedBrampton
276ONAssignedSouth Pickering
350ONAssignedCobourg
367ONAssignedNiagara-On-The-Lake
401ONAssignedBurlington
724ONAssignedCooksville
899ONAssignedUxbridge
207Available
208Available
209Available
214Available
215Available
216Available
217Available
218Available
219Available
220Available
221Available
223Available
224Available
225Available
226Available
227Available
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238Available
250Available
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255Available
256Available
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258Available
259Available
260Available
261Available
262Available
263Available
264Available
265Available
266Available
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268Available
269Available
270Available
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272Available
273Available
274Available
275Available
278Available
279Available
280Available
281Available
282Available
283Available
284Available
285Available
286Available
287Available
290Available
291Available
292Available
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294Available
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296Available
297Available
298Available
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304Available
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309Available
312Available
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314Available
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716Available
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718Available
719Available
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721Available
722Available
723Available
725Available
726Available
727Available
728Available
729Available
730Available
731Available
732Available
733Available
734Available
735Available
736Available
737Available
738Available
739Available
740Available
741Available
749Available
750Available
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764Available
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770Available
776Available
778Available
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783Available
784Available
785Available
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790Available
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801Available
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806Available
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808Available
809Available
812Available
813Available
814Available
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819Available
820Available
821Available
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824Available
825Available
826Available
827Available
828Available
829Available
830Available
831Available
832Available
833Available
834Available
835Available
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838Available
839Available
840Available
841Available
842Available
843Available
844Available
845Available
846Available
847Available
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849Available
850Available
851Available
852Available
853Available
854Available
855Available
856Available
857Available
858Available
859Available
860Available
861Available
862Available
863Available
864Available
865Available
866Available
867Available
868Available
869Available
870Available
871Available
872Available
873Available
874Available
875Available
876Available
878Available
879Available
884Available
891Available
892Available
893Available
894Available
895Available
896Available
897Available
898Available
902Available
903Available
904Available
906Available
907Available
908Available
909Available
910Available
912Available
913Available
914Available
915Available
916Available
917Available
918Available
919Available
920Available
921Available
922Available
923Available
924Available
925Available
926Available
927Available
928Available
929Available
930Available
931Available
932Available
933Available
934Available
935Available
936Available
937Available
938Available
939Available
940Available
941Available
943Available
944Available
945Available
946Available
947Available
948Available
949Available
951Available
952Available
953Available
954Available
955Available
956Available
957Available
960Available
961Available
962Available
963Available
964Available
965Available
966Available
967Available
968Available
969Available
970Available
971Available
972Available
973Available
974Available
975Available
977Available
978Available
979Available
980Available
981Available
982Available
983Available
984Available
985Available
211For Special Use
311For Special Use
411For Special Use
511For Special Use
555For Special Use
611For Special Use
711For Special Use
811For Special Use
911For Special Use
950For Special Use
976For Special Use
200ONIn ServiceRichmond Hill
201ONIn ServiceBlackstock
202ONIn ServiceBowmanville
203ONIn ServiceBrooklin
204ONIn ServiceHampton
205ONIn ServiceNewcastle
206ONIn ServicePort Perry
210ONIn ServiceOak Ridges
212ONIn ServiceSt. Catharines-Thorold
213ONIn ServiceSt. Catharines-Thorold
222ONIn ServiceBrampton
234ONIn ServiceMilton
239ONIn ServiceBrampton
240ONIn ServiceCaledon East
241ONIn ServiceSnelgrove
242ONIn ServiceCastlemore
243ONIn ServiceMalton
244ONIn ServiceStreetsville
245ONIn ServiceCooksville
246ONIn ServiceClarkson
248ONIn ServiceVictoria
277ONIn ServicePort Credit
288ONIn ServiceCobourg
300ONIn ServiceStreetsville
301ONIn ServiceCaledon East
302ONIn ServiceCastlemore
303ONIn ServiceClarkson
333ONIn ServiceOshawa
368ONIn ServiceAurora
369ONIn ServiceBethesda
370ONIn ServiceBolton
371ONIn ServiceClaremont
372ONIn ServiceGormley
373ONIn ServiceKeswick
374ONIn ServiceKing City
375ONIn ServiceKleinburg
376ONIn ServiceMaple
377ONIn ServiceMarkham
378ONIn ServiceMount Albert
379ONIn ServiceNewmarket
380ONIn ServiceNobleton
381ONIn ServiceOak Ridges
382ONIn ServicePalgrave
384ONIn ServiceQueensville
385ONIn ServiceRichmond Hill
386ONIn ServiceSchomberg
387ONIn ServiceStouffville
388ONIn ServiceSutton
389ONIn ServiceThornhill
391ONIn ServiceUnionville
392ONIn ServiceUxbridge
393ONIn ServiceWoodbridge
400ONIn ServiceAjax-Pickering
444ONIn ServiceHamilton
500ONIn ServiceNiagara Falls
532ONIn ServiceStreetsville
583ONIn ServiceCooksville
588ONIn ServiceBrampton
600ONIn ServiceWhitby
601ONIn ServiceSt. Catharines-Thorold
614ONIn ServiceBrampton
615ONIn ServiceBrampton
616ONIn ServiceBrampton
666ONIn ServiceSt. Catharines-Thorold
688ONIn ServiceBrampton
700ONIn ServiceBurlington
701ONIn ServiceBrampton
743ONIn ServiceBradford
744ONIn ServiceTottenham
745ONIn ServiceAjax-Pickering
746ONIn ServiceOshawa
747ONIn ServiceSouth Pickering
748ONIn ServiceWhitby
771ONIn ServiceMarkham
772ONIn ServiceNewmarket
773ONIn ServiceRichmond Hill
774ONIn ServiceThornhill
775ONIn ServiceWoodbridge
777ONIn ServiceMarkham
788ONIn ServiceWainfleet
800ONIn ServiceSutton
877ONIn ServiceFisherville
880ONIn ServiceHamilton
881ONIn ServicePort Colborne
882ONIn ServiceNiagara Falls
883ONIn ServiceWelland
885ONIn ServiceGeorgetown
886ONIn ServiceMilton
887ONIn ServiceBeeton
888ONIn ServicePelham
889ONIn ServiceWainfleet
890ONIn ServiceWellandport
900ONIn ServiceUnionville
901ONIn ServiceUxbridge
986ONIn ServiceAjax-Pickering
987ONIn ServiceAjax-Pickering
988ONIn ServiceAjax-Pickering
989ONIn ServiceAurora
990ONIn ServiceBethesda
991ONIn ServiceBolton
992ONIn ServiceClaremont
993ONIn ServiceGormley
994ONIn ServiceKeswick
995ONIn ServiceKing City
996ONIn ServiceKleinburg
997ONIn ServiceMaple
998ONIn ServiceMount Albert
999ONIn ServiceHamilton
310Moratorium on Assignment
610Moratorium on Assignment
810Moratorium on Assignment
249Not Available
289Not Available
343Not Available
365Not Available
416Not Available
437Not Available
613Not Available
647Not Available
705Not Available
742Not Available
905Not Available
942Not Available
958Plant Test
959Plant Test

82.1% of the exchanges in this area code are still available.

Data Source: Canadian Numbering Administrator

Updated: 2024-10-10 19:00:01 UTC

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