What does 503 mean in Telephone Country Codes?
This page is about the meanings of the acronym/abbreviation/shorthand 503 in the Regional field in general and in the Telephone Country Codes terminology in particular.
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What does 503 mean?
- El Sal•va•dor(n.)
- a republic in NW Central America. 5,839,079; 13,176 sq. mi. (34,125 sq. km).