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To call United States from Canada, follow this exact dialing sequence:
Example: To call (312) 555-0123 from Canada, dial: 011 1 312 555 0123
Useful tip: Find out who called you from an unknown United States phone number. Use our US reverse phone lookup service to reveal the owner's name and address. Use our state-specific phone number lookup tools for South Carolina, Pennsylvania, or Massachusetts for faster results.
Canada participates in the North American Numbering Plan (NANP) under ITU-T Recommendation E.164. A Canadian E.164 number consists of the Country Code 1 followed by a 10-digit national significant number in the format NXX-NXX-XXXX (where N = 2–9 and X = 0–9).
Minimum number length: 10 digits
Maximum number length: 10 digits
| NDC (NPA) | Number Length | Usage | Additional Information |
|---|---|---|---|
| Non-Geographic Codes | |||
| 456 | 10 | Canadian Adjunct to the International Inbound NPA | Reference Document; Telecom Decision CRTC 2019-16 |
| 5YY | 10 | Personal Communication Services | Shared with other CC1 NANP area nations; Not currently in use in Canada |
| 600, 622, 633 | 10 | Various non-geographic uses | Allocated for use in Canada |
| 700 | 10 | Unrestricted intra-network IXC services | Shared with other CC1 NANP area nations |
| 710 | 10 | Routing to U.S. government National Communication System | U.S. government NDC |
| 800, 833, 844, 855, 866, 877, 888 | 10 | Toll-free numbers (charges billed to called party) | Shared with other CC1 NANP area nations |
| 900 | 10 | Pay-Per-Call numbers (charges billed to calling party) | Shared with other CC1 NANP area nations |
| Geographic Codes | |||
| 204 | 10 | Manitoba | Same area as 431/584; 10-digit local dialling |
| 226 | 10 | Southwestern Ontario | Same area as 382/519/548; 10-digit local dialling |
| 236 | 10 | British Columbia | Same area as 250/604/672/778; 10-digit local dialling |
| 249 | 10 | Northeastern Ontario | Same area as 683/705; 10-digit local dialling |
| 250 | 10 | British Columbia (excluding Lower Mainland) | Overlaid by 236/672/778; 10-digit local dialling |
| 257 | 10 | British Columbia | Same area as 236/250/604/672/778 |
| 263 | 10 | Montréal area, Québec | Same area as 438/514; 10-digit local dialling |
| 289 | 10 | Greater Toronto Area (Southern Ontario) | Same area as 365/742/905; 10-digit local dialling |
| 306 | 10 | Saskatchewan | Same area as 474/639; 10-digit local dialling |
| 343 | 10 | Eastern Ontario | Same area as 613/753; 10-digit local dialling |
| 354 | 10 | Montréal surrounding area, Québec | Same area as 450/579; 10-digit local dialling |
| 365 | 10 | Greater Toronto Area (Southern Ontario) | Same area as 289/742/905; 10-digit local dialling |
| 367 | 10 | Northeastern Québec | Same area as 418/581; 10-digit local dialling |
| 368 | 10 | Alberta | Overlays 403/780; Same area as 587/825; 10-digit local dialling |
| 382 | 10 | Southwestern Ontario | Same area as 226/519/548; 10-digit local dialling |
| 403 | 10 | Southern Alberta | Same area as part of 368/587/825; 10-digit local dialling |
| 416 | 10 | Toronto | Same area as 437/647; 10-digit local dialling |
| 418 | 10 | Northeastern Québec | Same area as 367/581; 10-digit local dialling |
| 428 | 10 | New Brunswick | Same area as 506; 10-digit local dialling |
| 431 | 10 | Manitoba | Same area as 204/584; 10-digit local dialling |
| 437 | 10 | Toronto | Same area as 416/647; 10-digit local dialling |
| 438 | 10 | Montréal area, Québec | Same area as 263/514; 10-digit local dialling |
| 450 | 10 | Montréal surrounding area, Québec | Same area as 354/579; 10-digit local dialling |
| 468 | 10 | North & Northwestern Québec | Same area as 819/873; 10-digit local dialling |
| 474 | 10 | Saskatchewan | Same area as 306/639; 10-digit local dialling |
| 506 | 10 | New Brunswick | Same area as 428; 10-digit local dialling |
| 514 | 10 | Montréal area, Québec | Same area as 263/438; 10-digit local dialling |
| 519 | 10 | Southwestern Ontario | Same area as 226/382/548; 10-digit local dialling |
| 548 | 10 | Southwestern Ontario | Same area as 226/382/519; 10-digit local dialling |
| 579 | 10 | Montréal surrounding area, Québec | Same area as 354/450; 10-digit local dialling |
| 581 | 10 | Northeastern Québec | Same area as 367/418; 10-digit local dialling |
| 584 | 10 | Manitoba | Same area as 204/431; 10-digit local dialling |
| 587 | 10 | Alberta | Overlays 403/780; Same area as 368/825; 10-digit local dialling |
| 604 | 10 | British Columbia (Lower Mainland) | Overlaid by 236/672/778; 10-digit local dialling |
| 613 | 10 | Eastern Ontario | Same area as 343/753; 10-digit local dialling |
| 639 | 10 | Saskatchewan | Same area as 306/474; 10-digit local dialling |
| 647 | 10 | Toronto | Same area as 416/437; 10-digit local dialling |
| 672 | 10 | British Columbia | Same area as 236/250/604/778; 10-digit local dialling |
| 683 | 10 | Northeastern Ontario | Same area as 249/705; 10-digit local dialling |
| 705 | 10 | Northeastern Ontario | Same area as 249/683; 10-digit local dialling |
| 709 | 10 | Newfoundland & Labrador | 10-digit local dialling |
| 742 | 10 | Greater Toronto Area (Southern Ontario) | Same area as 289/365/905; 10-digit local dialling |
| 753 | 10 | Eastern Ontario | Same area as 343/613; 10-digit local dialling |
| 778 | 10 | British Columbia | Overlays 250 & 604; Overlaid by 236/672; 10-digit local dialling |
| 780 | 10 | Northern Alberta | Same area as part of 368/587/825; 10-digit local dialling |
| 782 | 10 | Nova Scotia & Prince Edward Island | Same area as 902; 10-digit local dialling |
| 807 | 10 | Northwestern Ontario | 10-digit local dialling |
| 819 | 10 | North & Northwestern Québec | Same area as 468/873; 10-digit local dialling |
| 825 | 10 | Alberta | Overlays 403 & 780; Same area as 368/587; 10-digit local dialling |
| 867 | 10 | Northwest Territories, Nunavut & Yukon | 7-digit local dialling permitted; 10-digit optional |
| 873 | 10 | North & Northwestern Québec | Same area as 468/819; 10-digit local dialling |
| 879 | 10 | Newfoundland & Labrador | 7-digit local dialling |
| 902 | 10 | Nova Scotia & Prince Edward Island | Same area as 782; 10-digit local dialling |
| 905 | 10 | Greater Toronto Area (Southern Ontario) | Same area as 289/365/742; 10-digit local dialling |
| 942 | 10 | Greater Toronto Area | Same area as 416/437/647 |
| Digits Dialled | Format | Call Type | Comments |
|---|---|---|---|
| No digits | Seizure (off hook) | Hot Line, Warm Line | Automatic connection to predetermined location |
| 1 digit | 0 | Local operator | Connection to local operator |
| 2 digits | 00 | IXC operator | Connection to originating IXC operator |
| 3 digits | N11 | Service codes | Public information, directory assistance, emergency, etc. |
| 3–4 digits | *XX, 11XX, *XXX | Vertical Service Codes | Activation of features and services |
| 7 digits | NXX-XXXX | Local calls (7-digit dialing areas) | Call completion |
| 10 digits | NXX-NXX-XXXX | Local calls (10-digit dialing required/permitted) | Call completion |
| 11 digits | 1+NXX-NXX-XXXX 0+NXX-NXX-XXXX |
Direct-dialled NANP toll calls | 1+ for sent-paid; 0+ for operator-assisted |
| 12–15+ digits | 01+CC+NDC+Number 011+CC+NDC+Number |
International calls | 01+ for person-paid; 011+ for station-to-station |