3 ms·
I always thought 1 for long distance was because that's the country code for the US, or maybe those two things are related?
by beatgammit 7y ago
I always thought 1 for long distance was because that's the country code for the US, or maybe those two things are related?
- Dylan16807 7y agoCountry codes came much later. The current system was introduced in the CCITT Blue Book in 1964, it looks like. Area codes were in the 40s.