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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 code in the group NXX for various other purposes.
The Dominican Republic is assigned specific 1‑800 exchanges in the North American Numbering Plan; the 1-809-200-xxxx exchange is also free for domestic callers in that country. In Egypt, it starts with "0800" followed by a seven-digit number. Unavailable via cellphones. In Ecuador, it starts with "1800" followed by a 6-digit number. Some ...
With the implementation of 872, all local calls in Chicago must be dialed with the full 11-digit phone number (10 digits from cell phones). [ 1 ] The Illinois side of the Chicago area–312/773/872, 708/464 , 847/224 , 630/331 and portions of 815/779 –is one of the largest local calling areas in the United States; with few exceptions, no long ...
872 = 2 3 × 109, refactorable number, nontotient, 872! + 1 is prime 873 = 3 2 × 97, sum of the first six factorials from 1 874 = 2 × 19 × 23, sphenic number , sum of the first twenty-three primes, sum of the first seven factorials from 0, nontotient, Harshad number, happy number
888 is a practical number, meaning that every positive integer up to 888 itself may be represented as a sum of distinct divisors of 888. [2] 888 is equal to the sum of the first two Giuga numbers: 30 + 858 = 888. [3] There are exactly: 888 trees with four unlabeled and three labeled nodes, [4] 888 seven-node undirected graphs without isolated ...
100 Trying Extended search being performed may take a significant time so a forking proxy must send a 100 Trying response. [1]: §21.1.1 180 Ringing Destination user agent received INVITE, and is alerting user of call. [1]: §21.1.2 181 Call is Being Forwarded Servers can optionally send this response to indicate a call is being forwarded.
Download QR code; Print/export ... 872: La Concordia (Rosita) Coahuila: 872: ... Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; ...
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