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Originally posted by tw
If (610)267-xxxx contained multiple & different local phone company, then the telco version of a DNS would become a nightmare - calls would take longer to complete and the database maintenacne would become complicated.
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Now that you put it that way, it makes much more sense.
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In that web site will probably be the latest lists of area codes already in trouble. Last time I looked, many recently upgraded area codes including NJ and CA were in trouble again. Also apparent is a shortage of three digit area codes for US/Canada/Mexico/Carribean. Yes, area codes cover all those countries meaning that there is a shortage of area codes.
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I've looked at the site on occasion. I was also looking at another site:
http://www.lincmad.com...very informative. From what I've seen though, Mexico does not use the NANP (at least not anymore).
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Some regions gave users a break - one area code per region. However PA has politicans running PennDOT and the PUC. Therefore they were more interested in making it easier for phone companies rather than for users (we don't pay enough in legalized bribes). That is the reason for confusing area code overlays in PA whereas NJ separated 201 and 609 into six clearly defined and separate area codes. No overlays so that a phone number is quite specific for each part of the state.
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From what I'm seeing, even areas that originally did a split are now preparing for an overlay. (e.g. Washington state will be receiving a new area code that will overlay ALL 4 area codes on the western side of the state. Apparently, New Jersey is in line for overlays too.)
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One solution is to assign cell phone numbers to their own area code - which would temporarily eliminate reserved and unused numbers for cell phone towers.
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The only situation like this is in NYC--all cell phones get the 917 area code. However, the argument against that sort of thing is that they do not want to single out any particular user (be it a cell or pager, business, etc.).
IMO, the easiest way to break up 215 in the first place would be similar to what was done in Chicago--give the city the entire 215 area code, the suburbs 610. Then split the suburbs into different codes, if necessary.
NYC has 5 area codes now...why not give each borough its own instead of doing 3 in Manhattan and 2 in the rest of the boroughs?
Most phone companies seem to prefer overlays because then no one has to reprint their business stationary, reprogram their phones, etc. But rather than remember several different codes, at least for me, it's easier to remember location. For example, I know that 314 covers St. Louis city and its inner suburbs. 636 covers the outer suburbs into the surrounding counties.
Actually tw, or anyone else, what IS the actual boundary for 215/610? I know that most of Bucks is 215, and Delco is 610, but Montco is what confuses me.