Category:NANP area code 503
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Media in category "NANP area code 503"
The following 4 files are in this category, out of 4 total.
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Oregon Area Codes 503 & 971.PNG 428 × 317; 12 KB
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Oregon Area Codes.PNG 428 × 317; 13 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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Washington(area-codes).jpg 281 × 136; 35 KB