"00+" or "00-" (OCC) (AOS)
Double zero dialing. Allows a caller to get an AT&T Operator in areas in which dialing only one zero would connect the caller with the local Operator because AT&T has given Operators back to the local telephone company.

"1+" DIALING (IXC) (OCC) (AOS)
The capability to dial "1" plus the long distance number for calls withing the North American Numbering Plan area. Intra-LATA calls are carried by the local telephone company. Inter-LATA calls are carried by the caller's primary carrier, or by AT&T if equal access has not come to the caller's area yet.

"10-XXX" DIALING (OCC) (AOS) (IXC)
The ability to send calls over a carrier other than a caller's primary carrier by dialing "10-XXX" then "1+" the long distance number, where "XXX" is the 3-digit Carrier Code of the alternative long distance company (also called a secondary carrier). Available only to Equal Access customers.

800 SERVICE (800)
The ability of a caller to dial a long distance telephone number without incurring a charge for the call, which is paid for by the party offering the 800 number.
Synonym: Inward WATS service.

900 SERVICE (900) (976)
Allows callers to receive information from the service provider via a recorded audio message, which can range from 60 seconds to a continuous live hookup, by calling a 900 number. This service can also be used to enable callers to vote or "make a choice" by dialing one of two 900 numbers. 900 calls are typically billed to the caller at much higher rates than regular calls.

976 NUMBERS (900) (976)
Service which allows callers to listen to recorded messages such as horoscopes, 'adult' dialogue, stock market or sports reports by calling 976-xxxx. The local telephone company charges callers a fee which is split between the local telephone company and the service provider.