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Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]
Users can switch carriers while keeping number and prefix (so prefixes are not tightly coupled to a specific carrier). If there is only 32.. followed by any other, shorter number, like 32 51 724859, this is the number of a normal phone, not a mobile. 46x: Join (discontinued mobile phone service provider) [3] 47x: Proximus (or other) 48x
Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, or 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.
Quick Take: List of Scam Area Codes. More than 300 area codes exist in the United States alone which is a target-rich environment for phone scammers.
Spring Health, led by cofounder and CEO April Koh, is now valued at $3.3 billion after raising a $100 million Series E round, I reported exclusively for Fortune this morning.
Spring Health was last valued at $2.5 billion during a 2023 Series D round. The AI-powered mental health startup matches patients with care providers, selling to both health plans and employers.
The 555 exchange is not reserved in area codes used for toll-free phone numbers. This led to the video game The Last of Us accidentally including the number to a phone-sex operator. [11] The number "555-2368" (or 311-555-2368) is a carryover from the "EXchange 2368" ("Exchange CENTral") number common in telephone advertisements as early as the ...
Cardiovascular Health: SMC includes a Heart Center that specializes in cardiac care. ^ [1^] Senior Care: Springhill Rehabilitation and Senior Residence, located on the campus of SMC, provides skilled nursing care for patients. ^ [1^] Sleep Medicine: SMC's Sleep Medicine Center addresses sleep-related issues through diagnostic and treatment ...