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Area code 520 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Arizona. The numbering plan area comprises Tucson and most of the southeastern part of the state.
History & Art
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area code arizona 520 numbering state plan 602 second split dialing telephone codes new 1995 phoenix tucson north american growth
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Area code 520 | is a | telephone area code in the North American Numbering Plan | 0.90 | text |
| Area code 520 | related to history | Area | 0.60 | section |
| Area code 520 | related to history | Arizona | 0.60 | section |
| Area code 520 | related to history | By | 0.60 | section |
| Area code 520 | related to history | Mountain Bell | 0.60 | section |
| Area code 520 | related to history | BellCore | 0.60 | section |
| Area code 520 | related to history | Mountain Bell's | 0.60 | section |
| Area code 520 | related to history | This | 0.60 | section |
| Area code 520 | related to history | In | 0.60 | section |
| Area code 520 | related to history | The | 0.60 | section |
| Area code 520 | related to history | Phoenix | 0.60 | section |
| Area code 520 | related to history | March | 0.60 | section |
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