ZIP code 29423
Where is ZIP code 29423?
Charleston, South Carolina
Charleston County · PO Box only ZIP code
ZIP code 29423 belongs to Charleston, South Carolina in Charleston County. 29423 is a PO Box only ZIP code: it is used for post office boxes at the Charleston post office, not for street addresses. It is in the Eastern Time zone and uses area code 843. The closest ZIP codes are 29413 (Charleston, 0 mi north), 29416 (Charleston, 0 mi north) and 29417 (Charleston, 0 mi north).
| ZIP code | 29423 |
|---|---|
| Type | PO Box only (no street delivery) |
| Status | Active |
| City | Charleston |
| Also accepted | N Charleston, North Charleston |
| State | South Carolina (SC) |
| County | Charleston County |
| Time zone | Eastern Time · now |
| Area code | 843 |
| Coordinates | 32.8488, -79.8577 map |
| 3-digit prefix | 294 |
The Census Bureau doesn’t publish population figures for po box only 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 29423
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 29413 | Charleston, SC | 0 mi N | PO Box only |
| 29416 | Charleston, SC | 0 mi N | PO Box only |
| 29417 | Charleston, SC | 0 mi N | PO Box only |
| 29422 | Charleston, SC | 0 mi N | PO Box only |
| 29464 | Mount Pleasant, SC | 2.2 mi E | Standard |
| 29466 | Mount Pleasant, SC | 3.3 mi NE | Standard |
| 29465 | Mount Pleasant, SC | 3.8 mi S | PO Box only |
| 29482 | Sullivans Island, SC | 6 mi S | Standard |
| 29451 | Isle Of Palms, SC | 6.2 mi SE | Standard |
| 29403 | Charleston, SC | 6.4 mi SW | Standard |
| 29424 | Charleston, SC | 6.5 mi SW | Unique |
| 29402 | Charleston, SC | 6.6 mi SW | PO Box only |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 29423 or measure the distance to another ZIP code.
How to address mail to 29423
PO BOX 123
CHARLESTON SC 29423
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts N CHARLESTON and NORTH CHARLESTON as the city name for 29423. Avoid Chas: USPS doesn’t recognize it as the city for this ZIP code. Adding the 4-digit ZIP+4 code (29423-XXXX) helps mail sort faster but isn’t required.
Other ZIP codes in Charleston, SC
All Charleston ZIP codes with population and income →
Questions
- What city is ZIP code 29423?
- 29423 is a Charleston, South Carolina ZIP code. N Charleston and North Charleston are also accepted as the city name.
- What county is 29423 in?
- ZIP code 29423 is in Charleston County, South Carolina.
- What time zone is ZIP code 29423 in?
- 29423 is in the Eastern Time zone (America/New_York).
- What area code is 29423?
- Phone numbers in ZIP code 29423 use area code 843.
- Can I use 29423 for a street address?
- No. 29423 is only for PO Boxes. Street addresses in Charleston use 29401, 29403, 29406.
- What ZIP codes are near 29423?
- The nearest ZIP codes to 29423 are 29413 (Charleston, 0 miles), 29416 (Charleston, 0 miles), 29417 (Charleston, 0 miles) and 29422 (Charleston, 0 miles).