lars to MapPorn@lemmy.worldEnglish · 3 年前the first map of North American area codes (1947)imagemessage-square8linkfedilinkarrow-up129arrow-down11file-text
arrow-up128arrow-down1imagethe first map of North American area codes (1947)lars to MapPorn@lemmy.worldEnglish · 3 年前message-square8linkfedilinkfile-text
minus-squarelarsOPlinkfedilinkEnglisharrow-up3·3 年前Yes — and the following three digits are called “exchanges”
minus-squarelarsOPlinkfedilinkEnglisharrow-up3·3 年前And it looks like only single-area code states had 0 as their second digit
Yes — and the following three digits are called “exchanges”
And it looks like only single-area code states had 0 as their second digit