Water area: Population density: 53 people per square mile. Males: 8, Zip code statistics: Find on map Estimated zip code population in 14, Zip code population in 14, Zip code population in 14, Mar. Males: 7, Zip code statistics: Find on map Estimated zip code population in 9, Zip code population in 10, Zip code population in 11, Mar.
Water area: 0. Population density: 7, people per square mile. Males: 4, Zip code statistics: Find on map Estimated zip code population in 9, Zip code population in 9, Zip code population in 9, Mar. Population density: 2, people per square mile. Zip code statistics: Find on map Estimated zip code population in 10, Zip code population in 9, Zip code population in 10, Mar. Water area: 1. Population density: 1, people per square mile low.
Zip code statistics: Find on map Estimated zip code population in 5, Zip code population in 5, Zip code population in 5, Mar. Water area: 2. Males: 2, Zip code statistics: Find on map Estimated zip code population in 8, Zip code population in 8, Zip code population in 8, Mar.
Zip code statistics: Find on map Estimated zip code population in 27, Zip code population in 26, Zip code population in 25, Mar. Males: 13, Zip code statistics: Find on map Estimated zip code population in 12, Zip code population in 10, Zip code population in 10, Mar. Searching for a zip code on Google Maps using maps, not satellite also works if you can't remember or can't find that website again. Somebody with good investigative skills and more time on their hands than me needs to find out why the Duluth area covers every number from , with the exception of and , which don't exist at all.
I don't know the history of the zip code system, but I know generally how it works. First, the postal service split the country into regions, 0 being New England and 9 being the west coast. That's the first number. The second and sometimes 3rd numbers are determined by state: Then, from there, they used a hub-and-spoke system. The northeast tip of Minnesota is all , and much of northeast MN is Interestingly, the Duluth area has a monopoly on all values all the way up to There's a good chance that the postal service thought Duluth could grow much larger, so they reserved all those numbers just in case.
Minneapolis has a similar monopoly on , and St. Paul has all the numbers. Here's generally how the hub and spoke system is laid out:. Tim: I see now. Tom: I'll try to find that out. I suspect it's just for wiggle room in case of future expansion.
I wonder, if they eventually close the Civic Center branch downtown, will we lose ? Okay, I can't really find an answer for why there is no or I've done a little research, however, and can now make a more educated guess.
Before there were ZIP codes, cities had zones. ZIP stands for Zone Improvement Plan, and it added three additional digits to the zone to indicate which facility the mail is sorted at. This, Codie, is why Duluth has a "monopoly" on It's also somewhat dated as for many years now Duluth's facility sorts , , and So while there were a lot of Zone 7s in the country, after the Zone Improvement Plan took effect, there was only one My guess is that while there is no or , there might have been zones 9 and 13 back in the 40s or 50s, which were discontinued for some reason.
I have no evidence for this. It's just a guess. I'll end with a fun fact: ZIP codes actually have 11 digits. Each number narrows the location down a little bit further. At the end there's a two digit code which narrows it down to your actual house. These last two digits are not used by regular customers, but they are part of some barcoding systems. That is a fun fact. So when I get my neighbor's mail, and my neighbor gets my mail, and I get the mail from county social services addressed to someone 3 blocks away, it's probably because the carrier is following a bar code instead of the actual house address typed on the front of the letter?
I love when people complain about the mail. Just wait when it's sorted in St. Thanks for all the fun facts, Barrett. Who knew?
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