It helped create a new toll-free telephone prefix, 888, to supplement the 800 number, for which demand was exceeding supply.

Under the plan Pacific Bell would limit minors' access by assigning to sexually explicit message services a distinct telephone prefix.

Then, find out where the main office is and if possible what the telephone prefix (first three numbers) is.

The local telephone prefix 7727 (originally 727) is based on the old telephone exchange name of PARk.

The telephone prefix was for a Steamboat Springs number.

Its zip code is 49768, and the area code and telephone prefix are (906) and 492 respectively.

"I know the telephone prefixes to all of those investment banks and law offices."

Its primary telephone prefix is 673 in area code 605.

It has a population of about 18,000, with postal code 8307 and telephone prefix 0299.

The telephone prefix is (530) 266-xxxx or more rarely (530) 286-xxxx.