Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — PREFIX/346

ZIP codes starting with 346

ZIP codes
45
States
FL
Largest city
New Port Richey, FL
Population
761,662

The first three digits of a ZIP code identify a sectional center facility — the postal processing plant that sorts mail for the area. It is a mail-routing grouping, not an administrative boundary.

Every ZIP code in 346xx

ZIP codes starting with 346
ZIP City Type Population Median income Median home
34601 Brooksville , FL Standard 24,115 $60,440 $188,400
34602 Brooksville , FL Standard 11,088 $77,215 $276,400
34603 Brooksville , FL No street area — — —
34604 Brooksville , FL Standard 13,642 $84,833 $305,500
34605 Brooksville , FL No street area — — —
34606 Spring Hill , FL Standard 28,668 $57,337 $250,900
34607 Spring Hill , FL Standard 9,496 $66,422 $398,900
34608 Spring Hill , FL Standard 36,658 $64,345 $276,800
34609 Spring Hill , FL Standard 47,257 $79,442 $317,200
34610 Spring Hill , FL Standard 16,995 $77,396 $267,500
34611 Spring Hill , FL No street area — — —
34613 Brooksville , FL Standard 19,337 $58,596 $209,500
34614 Brooksville , FL Standard 10,935 $83,800 $321,600
34636 Istachatta , FL No street area — — —
34637 Land O Lakes , FL Standard 13,049 $115,214 $434,400
34638 Land O Lakes , FL Standard 37,644 $123,899 $433,600
34639 Land O Lakes , FL Standard 30,831 $101,486 $383,500
34652 New Port Richey , FL Standard 27,444 $56,931 $222,600
34653 New Port Richey , FL Standard 35,945 $49,563 $203,200
34654 New Port Richey , FL Standard 24,355 $73,947 $307,200
34655 New Port Richey , FL Standard 49,964 $85,470 $380,200
34656 New Port Richey , FL No street area — — —
34660 Ozona , FL No street area — — —
34661 Nobleton , FL Standard 386 — $145,200
34667 Hudson , FL Standard 30,689 $51,280 $234,300
34668 Port Richey , FL Standard 49,442 $47,401 $191,600
34669 Hudson , FL Standard 14,618 $58,638 $247,100
34673 Port Richey , FL No street area — — —
34674 Hudson , FL No street area — — —
34677 Oldsmar , FL Standard 22,762 $93,474 $387,300
34679 Aripeka , FL Standard 141 — —
34680 Elfers , FL No street area — — —
34681 Crystal Beach , FL Standard 1,284 — $729,000
34682 Palm Harbor , FL No street area — — —
34683 Palm Harbor , FL Standard 33,911 $92,885 $452,100
34684 Palm Harbor , FL Standard 27,029 $72,145 $342,400
34685 Palm Harbor , FL Standard 18,132 $94,688 $518,000
34688 Tarpon Springs , FL Standard 8,522 $112,091 $510,100
34689 Tarpon Springs , FL Standard 27,324 $74,854 $337,000
34690 Holiday , FL Standard 12,498 $49,401 $177,200
34691 Holiday , FL Standard 21,232 $50,288 $202,700
34692 Holiday , FL No street area — — —
34695 Safety Harbor , FL Standard 18,098 $95,238 $439,300
34697 Dunedin , FL No street area — — —
34698 Dunedin , FL Standard 38,171 $74,078 $392,300

Cite this page

zipcodes.pro. “ZIP codes starting with 346.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/prefix/346

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