ZIP code 45999
Where is ZIP code 45999?
Cincinnati, Ohio
Hamilton County · Unique ZIP code
ZIP code 45999 belongs to Cincinnati, Ohio in Hamilton County. 45999 is a unique ZIP code assigned to a single organization (Internal Revenue Service) that gets a lot of mail. It is in the Eastern Time zone and uses area code 513. The closest ZIP codes are 45201 (Cincinnati, 0 mi north), 45221 (Cincinnati, 0 mi north) and 45222 (Cincinnati, 0 mi north).
| ZIP code | 45999 |
|---|---|
| Type | Unique ZIP code for a single organization |
| Status | Active |
| City | Cincinnati |
| State | Ohio (OH) |
| County | Hamilton County |
| Time zone | Eastern Time · now |
| Area code | 513 |
| Coordinates | 39.1668, -84.5382 map |
| 3-digit prefix | 459 |
The Census Bureau doesn’t publish population figures for unique ZIP codes because nobody lives at a PO Box or a single organization’s address. For figures about the area, see the nearby standard ZIP codes below.
ZIP codes near 45999
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 45201 | Cincinnati, OH | 0 mi N | PO Box only |
| 45221 | Cincinnati, OH | 0 mi N | Unique |
| 45222 | Cincinnati, OH | 0 mi N | PO Box only |
| 45234 | Cincinnati, OH | 0 mi N | Standard |
| 45235 | Cincinnati, OH | 0 mi N | Standard |
| 45250 | Cincinnati, OH | 0 mi N | PO Box only |
| 45253 | Cincinnati, OH | 0 mi N | PO Box only |
| 45254 | Cincinnati, OH | 0 mi N | PO Box only |
| 45258 | Cincinnati, OH | 0 mi N | PO Box only |
| 45262 | Cincinnati, OH | 0 mi N | PO Box only |
| 45263 | Cincinnati, OH | 0 mi N | Unique |
| 45264 | Cincinnati, OH | 0 mi N | Unique |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 45999 or measure the distance to another ZIP code.
How to address mail to 45999
123 MAIN ST
CINCINNATI OH 45999
Put the city, the two-letter state code and the ZIP code on the last line. Adding the 4-digit ZIP+4 code (45999-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Cincinnati, OH
- 45201
- 45202
- 45203
- 45204
- 45205
- 45206
- 45207
- 45208
- 45209
- 45211
- 45212
- 45213
- 45214
- 45215
- 45216
- 45217
- 45218
- 45219
- 45220
- 45221
- 45222
- 45223
- 45224
- 45225
- 45226
- 45227
- 45229
- 45230
- 45231
- 45232
- 45233
- 45234
- 45235
- 45236
- 45237
- 45238
- 45239
- 45240
- 45241
- 45242
- 45243
- 45244
- 45245
- 45246
- 45247
- 45248
- 45249
- 45250
- 45251
- 45252
- 45253
- 45254
- 45255
- 45258
- 45262
- 45263
- 45264
- 45267
- 45268
- 45269
- 45270
- 45271
- 45273
- 45274
- 45275
- 45277
- 45280
- 45296
- 45298
- 45299
All Cincinnati ZIP codes with population and income →
Questions
- What city is ZIP code 45999?
- 45999 is a Cincinnati, Ohio ZIP code.
- What county is 45999 in?
- ZIP code 45999 is in Hamilton County, Ohio.
- What time zone is ZIP code 45999 in?
- 45999 is in the Eastern Time zone (America/New_York).
- What area code is 45999?
- Phone numbers in ZIP code 45999 use area code 513.
- Can I use 45999 for a street address?
- Only for mail to the organization it is assigned to. Other addresses in Cincinnati use a standard ZIP code.
- What ZIP codes are near 45999?
- The nearest ZIP codes to 45999 are 45201 (Cincinnati, 0 miles), 45221 (Cincinnati, 0 miles), 45222 (Cincinnati, 0 miles) and 45234 (Cincinnati, 0 miles).