Category:NANP area code 312

Media in category "NANP area code 312"

The following 7 files are in this category, out of 7 total.

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  Area codes IL.png 174 × 270; 16 KB
  
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  Illinois NPA 2021-12.png 616 × 1,045; 137 KB
  
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  NANP217(central-IL)1952.jpg 407 × 324; 40 KB
  
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  NANP219(northern-IN)1952.jpg 283 × 240; 41 KB
  
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  NANP312(Chicago)1952.jpg 204 × 204; 26 KB
  
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  The Bell System technical journal 1952 Area Code map of USA.jpg 2,820 × 1,542; 645 KB
  
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  Women's March, January 21 2017, Chicago (32444872045).jpg 3,888 × 2,592; 1.88 MB