sólo 'tarifas', para incluir a todos las posilbles.

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Note added at 3 hrs (2009-01-12 09:32:34 GMT)
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todAs las posilbes

*toll free telephone number = número de teléfono de llamada a distancia gratuita

I called AT&T and asked what Toll charges were and this is what I was told. It refers to extended areas within your local area. It is a specific long distance charge, less than a regular one.

AT&T Español
- [ Translate this page ]
Para tu comodidad, todos los cargos de AT&T Long Distance se incluyen en una ... de larga distancia local y área extendida, pero dentro de tu Área de Acceso ...
espanol.att.com/residential_customers/other/faqs.html - 18k - Cached - Similar pages

Websters Unabridged
1toll

3 : c : a charge for a long-distance telephone call

Google definitions

Definitions of toll call on the Web:

* a long-distance telephone call at charges above a local rate
wordnet.princeton.edu/perl/webwn

* a call to a point outside of the local service calling area. Identified by greater distance and increased rates or by 1 plus dialing requirements.
www.altigen.com/glossary-phone-terms.html

* Call made within a Regional Calling Area to exchanges outside the local calling area. Toll calls are individually detailed on a bill.
www22.verizon.com/wholesale/glossary/

* Any transmission on the public switched network to a point outside the local service area.
www.pvcsolutions.com/php/glossaryk.php


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Note added at 11 hrs (2009-01-12 16:42:05 GMT)
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Here is another thing to consider. If you search "toll or long distance" in google you will get 74000 results. Keep in mind that the "or" here does not imply these are two different things, rather it indicates that these are two different ways of saying the same thing, they are synonyms.