Ottawa’s current overlay complex is 343, 613 and 753.
Use the complete subscriber number and confirm the destination before calling.
Dial the complete ten-digit Canadian number in the featured overlay regions. Use +1 once in international format; a domestic long-distance 1, where required, is an access prefix rather than an additional part of the number.
Canada spans Newfoundland, Atlantic, Eastern, Central, Mountain and Pacific time zones, with regional exceptions
America/Toronto: Calculated in your browser
Always confirm the recipient’s local time, especially where daylight-saving rules or regional zones differ.
Ottawa’s current overlay complex is 343, 613 and 753.
Area codes identify numbering-plan areas, not a phone’s exact or current location. Wireless service, VoIP and number portability can separate a number from the subscriber’s physical location. Most populated Canadian regions now have several overlay codes with identical coverage, so ten-digit local dialling is required.
Browse other featured cities and codes in the same administrative grouping.
Open Ontario guideOttawa is associated with 613 and 343 in the featured fixed-line directory.
Ottawa is in Canada, which uses country calling code +1.
No. Numbering association is not live geolocation, and portability, forwarding or internet telephony can change where a call is received.