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Area Code Info / Ontario / 343
343
Ontario OttawaGeographic

Area Code 343

Ottawa, Ontario

Browse Numbers in This Area Code
CA Registered BusinessUS RegisteredSSL Encrypted Checkout
📞
216
Available Numbers
🏙️
10
Cities Covered
🕐
Toronto
Timezone
📋
10-digit
Dialing Rules
Coverage Area

343 Cities and regions covered

Ontario · ON

Major Cities

Ottawa Gatineau Kingston Belleville Cornwall Brockville Pembroke Smiths Falls Hawkesbury Carleton Place
In Service 2010-01-01
Status Active
Area Code History

343

343区号于2010年启用，作为加拿大安大略省613区号的叠加区号，覆盖渥太华及安大略省东部地区。

Dialing Rules

343

10-digit

When dialing 343 area code numbers, follow these rules:

  • Local calls require full 10-digit dialing (area code + 7-digit number)
  • Long-distance calls require 1 + area code + 7-digit number
Why 343 is Valuable for Business

343 · Ottawa

The 343 area code covers Ottawa and surrounding areas, making it one of the most commercially valuable area codes in Ontario. Owning a premium 343 number enhances your business image and customer trust.

Premium Numbers

343 Premium numbers in this area code

(343) 307-4000
X000
Ottawa, ON
$799.98
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(343) 321-6666
XXXX
Ottawa, ON
$799.98
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(343) 321-5000
X000
Ottawa, ON
$799.98
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(343) 321-4444
XXXX
Ottawa, ON
$799.98
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(343) 321-4000
X000
Ottawa, ON
$799.98
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(343) 313-2000
X000
Ottawa, ON
$799.98
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(343) 312-9000
X000
Ottawa, ON
$799.98
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(343) 312-7000
X000
Ottawa, ON
$799.98
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(343) 312-6000
X000
Ottawa, ON
$799.98
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(343) 312-5000
X000
Ottawa, ON
$799.98
View Details
(343) 307-9000
X000
Ottawa, ON
$799.98
View Details
(343) 307-7000
X000
Ottawa, ON
$799.98
View Details
(343) 307-6000
X000
Ottawa, ON
$799.98
View Details
(343) 307-5000
X000
Ottawa, ON
$799.98
View Details
(343) 302-7000
X000
Ottawa, ON
$799.98
View Details
(343) 341-8000
X000
Ottawa, ON
$799.98
View Details
(343) 429-8000
X000
Ottawa, ON
$799.98
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(343) 801-8000
X000
Ottawa, ON
$799.98
View Details
(343) 300-0100
Ottawa, ON
$959.98
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(343) 300-0777
XYYY
Ottawa, ON
$999.98
View Details
(343) 300-0800
Ottawa, ON
$959.98
View Details
(343) 304-6000
X000
Ottawa, ON
$799.98
View Details
(343) 305-5000
X000
Ottawa, ON
$799.98
View Details
(343) 304-8000
X000
Ottawa, ON
$799.98
View Details
View All 343 Numbers
FAQ

343 FAQ

What state is the 343 area code in?
The 343 area code is in Ontario (ON), primarily covering Ottawa and surrounding areas.
How do I get a premium 343 area code number?
You can search and buy premium 343 numbers on GreatNumber. We offer one-time payment with lifetime ownership — no monthly fees or hidden charges. We provide full porting assistance after purchase.
Can I port a 343 number to another carrier?
Yes, all numbers purchased on GreatNumber can be ported to any carrier of your choice (T-Mobile, AT&T, Verizon, etc.). Porting typically takes 3-14 business days, and we provide full bilingual support.
Related Area Codes

Other area codes related to 343

226 London Ontario 249 Sudbury Ontario 289 Hamilton Ontario 365 Hamilton Ontario 416 Toronto Ontario 437 Toronto Ontario

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