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For example, 234 235-5678 is a valid telephone number; with area code 234, central office prefix (exchange) 235, and line number 5678. The number 234 911-5678 is invalid, because the central office code must not be in the form N11.
Peru uses 2-digit area codes followed by 6-digit subscriber numbers outside of Lima. In Lima the area code is "1" and the subscriber number has seven digits, divided XXX XXXX. The "trunk 0" is often used, especially for numbers outside Lima. For example, a phone number in Arequipa might be written (054) XX-XXXX.
Toll-free telephone numbers in the North American Numbering Plan. Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, and 888. Additionally, area codes 822, 880 through 887, and 889 are reserved for toll-free use in the future. 811 is excluded because it is a special dialing ...
In Hungary, telephone numbers are in the format 06 + area code + subscriber number, where the area code is a single digit 1 for Budapest, the capital, followed by a seven digit subscriber number, and two digits followed by either seven (for cell phone numbers) or six digits (others). for other areas, cell phone numbers or non-geographic numbers ...
E.164 is an international standard ( ITU-T Recommendation), titled The international public telecommunication numbering plan, that defines a numbering plan for the worldwide public switched telephone network (PSTN) and some other data networks . E.164 defines a general format for international telephone numbers.
Since there is no limit to a scam artist’s potential, recognizing signs of common scams will serve you well. Here are examples of three of the most common scams out there today and how to block ...
For example, The United States 555 (KLondike-5) exchange code was never assigned (with limited exceptions such as 555–1212 for directory assistance). Therefore, American films and TV shows have used 555-xxxx numbers, in order to prevent a number used in such a work from being called.
not in use; code is reserved for directory assistance applications. 1-NPA-555-01XX is used for fictional telephone numbers; 1-NPA-555-1212 is used for directory assistance; and other 1-NPA-555-XXXX numbers can be used for other 555 services. 556. not in use; available for personal communications services.