Area Code 403 Location
Area code 403 covers the southern portion of Alberta, Canada.
Area code 403 is a general purpose code which was placed in service on January 1, 1947.
Area Code 403 Location Map
Source: Canadian Numbering Administrator (cnac.ca)
Overlay System
Area code 403 is part of an overlay system with area codes 587, 825, and 368, all serving the same geographic region of Alberta. Area code 403 was introduced in 1947, 587 was implemented as a province-wide overlay in September 2008, 825 was added on April 9, 2016, and 368 was introduced on January 21, 2022. Ten-digit dialing is mandatory in this region.
Area Code 403 NXX Codes Distribution
NXX Code Distribution by Exchange Area
Our reverse phone lookup will analyze the three-digit nxx code of any 403 numbering plan area (NPA) phone number and will show which company and exchange area it was initially assigned to. This nxx code data may help to determine the Canada carrier, and geographic area associated with that phone number.
| Exchange Area | Number of NXX Codes |
|---|---|
| Calgary | 370 |
| Red Deer | 40 |
| Lethbridge | 32 |
| Medicine Hat | 23 |
| Canmore | 11 |
| High River | 11 |
| Strathmore | 11 |
| Brooks | 10 |
| Banff | 9 |
| Crowsnest Pass | 9 |
| Olds | 9 |
| Rocky Mountain House | 9 |
| Airdrie | 8 |
| Drumheller | 8 |
| Pincher Creek | 8 |
| Cochrane | 7 |
| Okotoks | 7 |
| Stettler | 7 |
| Claresholm | 6 |
| Ponoka | 6 |
| Three Hills | 5 |
| Hanna | 4 |
| Milk River | 4 |
| Sundre | 4 |
| Vauxhall | 4 |
| Veteran | 4 |
| Vulcan | 4 |
| Bowden | 3 |
| Cardston | 3 |
| Coronation | 3 |
| Didsbury | 3 |
| Lacombe | 3 |
| Oyen | 3 |
| Sylvan Lake | 3 |
| Bentley | 2 |
| Blackfalds | 2 |
| Bow Island | 2 |
| Carstairs | 2 |
| Coaldale | 2 |
| Consort | 2 |
| Cowley | 2 |
| Crossfield | 2 |
| Exshaw | 2 |
| Fort Macleod | 2 |
| Granum | 2 |
| Innisfail | 2 |
| Lake Louise | 2 |
| Langdon | 2 |
| Magrath | 2 |
| Penhold | 2 |
| Picture Butte | 2 |
| Ralston | 2 |
| Taber | 2 |
| Trochu | 2 |
| Warner | 2 |
| 7 Digit Service | 1 |
| Acadia Valley | 1 |
| Acme | 1 |
| Alix | 1 |
| Altario | 1 |
| Arrowwood | 1 |
| Barons | 1 |
| Bassano | 1 |
| Beiseker | 1 |
| Big Valley | 1 |
| Bindloss | 1 |
| Blackie | 1 |
| Bragg Creek | 1 |
| Brocket | 1 |
| Burdett | 1 |
| Byemoor | 1 |
| Carbon | 1 |
| Carmangay | 1 |
| Caroline | 1 |
| Castor | 1 |
| Cayley | 1 |
| Cereal | 1 |
| Cessford | 1 |
| Champion | 1 |
| Clive | 1 |
| Coutts | 1 |
| Craigmyle | 1 |
| Cremona | 1 |
| Delburne | 1 |
| Delia | 1 |
| Donalda | 1 |
| Duchess | 1 |
| East Coulee | 1 |
| Eckville | 1 |
| Elkwater | 1 |
| Elnora | 1 |
| Empress | 1 |
| Enchant | 1 |
| Etzikom | 1 |
| Foremost | 1 |
| Gadsby | 1 |
| Gleichen | 1 |
| Glenwood | 1 |
| Grassy Lake | 1 |
| Halkirk | 1 |
| Hays | 1 |
| Hilda | 1 |
| Hussar | 1 |
| Iron Springs | 1 |
| Irricana | 1 |
| Irvine | 1 |
| Jenner | 1 |
| Kananaskis | 1 |
| Leslieville | 1 |
| Lomond | 1 |
| Longview | 1 |
| Manyberries | 1 |
| Milo | 1 |
| Mirror | 1 |
| Morley | 1 |
| Morrin | 1 |
| Nanton | 1 |
| New Dayton | 1 |
| Nobleford | 1 |
| Nordegg | 1 |
| Raymond | 1 |
| Rimbey | 1 |
| Rockyford | 1 |
| Rolling Hills | 1 |
| Rosebud | 1 |
| Rumsey | 1 |
| Saskatchewan River Crossing | 1 |
| Schuler | 1 |
| Seven Persons | 1 |
| Sibbald | 1 |
| Spruceview | 1 |
| Stand Off | 1 |
| Standard | 1 |
| Stavely | 1 |
| Stirling | 1 |
| Sunchild O'Chiese | 1 |
| Tilley | 1 |
| Torrington | 1 |
| Turner Valley | 1 |
| Walsh | 1 |
| Waterton Park | 1 |
| Wrentham | 1 |
| Youngstown | 1 |
NXX Code Distribution by Company
| Company | NXX Codes Assigned |
|---|---|
| TELUS | 401 |
| TELUS Mobility | 95 |
| Rogers Communications Canada Inc. (Wireless) | 71 |
| Bell Mobility | 64 |
| Shaw Telecom Inc. | 59 |
| Bell West Inc. | 22 |
| Fido Solutions Inc. | 21 |
| Distributel | 9 |
| Rogers Communications Canada Inc. (Cable) | 9 |
| Zayo Canada Inc. | 8 |
| GT Group Telecom Services Corp. | 5 |
| Globalstar | 4 |
| ISP Telecom Inc. | 4 |
| Bragg Communications Inc. | 3 |
| Freedom Mobile Inc. | 2 |
| Fibernetics Corporation | 1 |
| Iristel Inc. | 1 |
| IXICA Communications Inc. | 1 |
| Primus Telecommunications Canada Inc. | 1 |
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