telephone prefix
Number's regional identifier
A telephone prefix is the first few digits of a phone number that identify a geographic area or service type.
In North American numbering, the prefix traditionally refers to the three digits following the area code, identifying a specific exchange or central office: All the phone numbers in our neighborhood share the same prefix.
The term sometimes extends to area codes or country codes themselves.
- area codeRegional telephone identifier
- dialingEntering a phone number
- country codeAlphanumeric national identifier
- long distanceSeparation across significant space
- direct dialCall placed independently
exchange · digits · rotary · operator · calling · calling card · collect call · landline · receiver · dial up · dial tone · busy signal · international · numbers · switchboard · trunk · local · directory
telephone, phone, telephonic, telephony, telephones, phonic, phonics, phonetic, phonetics