marston.UUCP@eleazar.UUCP (David Marston) (04/26/88)
the matching N0X area code? In article <1154@csuna.UUCP> abcscnge@csuna.UUCP (Scott "The Pseudo Hacker" Neugroschl) writes: >The answer to this is the same as the answer to how they distinguish a >one digit number starting with 0 :-) or, for those areas which still >do not require any prefix (Maryland a few years ago, maybe still) and >may need to deal with the new exchanges. They time out. If you reach >one of the possible ends of a number (after 1 or 7 digits) and don't >dial another digit within N seconds, it assumes you are done and goes >ahead. I have an alternate explanation. (This may cause various people to post examples of exchanges they've seen, but here it goes anyway.) I have only seen examples of N0X or N1X exchanges in major-city area codes that consist of a single local calling area. My first encounter was a few years ago when I saw an ad for a firm whose number was 212-603-xxxx. This was before the 718 split in New York City. 603 is the area code for my home state of New Hampshire, but I figured "no problem" as follows: anyone calling from outside the 212 area code would dial 1-212-603-xxxx to get this firm and there would be no ambiguity. People within 212 would ALL dial 603-xxxx, just seven digits, because any number in 212 can reach any other number in 212 without dialing 1 first. If a New Yorker dials 1-603-, you know that 7 more digits will follow and the call is destined for NH. .................David Marston decvax!dartvax!eleazar!marston marston@eleazar.dartmouth.EDU
cmoore@BRL.ARPA (Carl Moore, VLD/VMB) (05/03/88)
I don't know of any N0X/N1X prefixes currently in use in Maryland, but an earlier posting by me mentioned new 202-915 (Washington, DC). The long-distance dialing instructions for Md., DC, and Va. were changed late last year (local calls are still made with just the 7 digit number, with exceptions I noted near Severn, Md.): OLD--in DC and all but outermost Md. and Va. suburbs, use areacode + number, even if within Md. or 703 area in Va.; elsewhere in Md. and Va. use 1+areacode +number. NEW--in Md., DC, and 703 area in Va., use 1+areacode+number. (In DC area, the 1+ is new requirement; elsewhere in Md. and 703, use of areacode within one's own area is new requirement.)