Telecommunications-related introductions in 1997 - How Old Today?

1

GPRS

2

Area_code_339

2

Area_codes_248_and_947

4

Area_code_254

4

Area_code_336

4

Area_code_410

4

Area_code_740

4

Area_code_781

4

Area_code_850

4

Area_code_870

4

Area_codes_301,_240,_and_227

4

Area_codes_301_and_240

4

General_Packet_Radio_Service

4

Wi-Fi

4

WiFi