UKPhonebook.com - Business and residential numbers with national and business category searching. 
Scoot - Business telephone directory service. Features company name finder and cinema finder.
192.com - People and local business finder incorporating 8 major sources; free directory enquiries and public records such as the official voters lists, companies’ register, birth, marriage and death records, maps, and house price data.
ThomWeb - Thompson Directory - Business and people directory. Searchable by category, name, business or location.
Yell.com - Business directory, with search by name, business or location. Also includes detailed maps and directions.
UK Phone Information - Returns area information, map, BT charge information, and nearby exchange names for telephone numbers, access/short codes, or the name of a location.
11 88 88 - Directory enquiries service featuring business search facility and service listing.
UK 118 Telephone Directory - A comparison of the new 118 directory enquiries services, including charging information.
BT PhoneNetUK - UK online phone directory covering both businesses and private residences.
118 Tracker - Tracking and assessment of directory enquiries services. Providers, costs, articles, reports and mobile information.
Say No To 0870 - Lists alternative geographic numbers instead of 0870 numbers for well known companies. Search function and discussion forum.
Askalix - Business telephone directory service featuring company name, product and service finder.
Tracesmart - Provides people and address searching of the Telephone Directory and Electoral Roll on a monthly subscription basis. Includes preview.
118 Directory Enquiry Information - Price comparison of 118 operators, and free business directory search.
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