| City: | Myrtle Beach, South Carolina |
| County: | Horry County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 8:09:31 PM |
| Population: | No Population Data |
| Area Codes: | 843 / 854 |
| Classification: | PO Box |
| Coordinates: | 33.6889, -78.8867 |
| Quick Link: |
ZIP code 29578 is a PO Box-only designation within Myrtle Beach, South Carolina. It doesn't cover a geographic territory. Instead, it exists as a point location for a post office facility on N Kings Highway. The enclosing ZIP 29577 handles the surrounding residential and commercial areas.
This facility maintains 867 PO Boxes and serves 460 businesses, with 573 workers employed across 48 local establishments. Myrtle Beach is a major coastal tourism destination, and this post office provides convenient mail services along the busy commercial strip of Kings Highway. All 220 ZIP+4 records for this code share the same N Kings Hwy address, with different unit numbers for the businesses and box holders.
Residents and visitors who need a mailing address in this area can rent a PO Box at the N Kings Highway location. Street delivery is available through the parent ZIP 29577, so 29578 isn't a PO Box Only Zone. It's simply a separate postal designation for the boxes and businesses at this specific post office.
All delivery points are on N Kings Highway, the main commercial strip through Myrtle Beach.
ZIP Code 29578 supports both business and residential activity. According to the Business Census (2024), there are 45 business establishments, employing about 559 people with an annual payroll of $33,439,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 11,383Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 45Source: CBP |
| 1st Quarter Payroll: | $8,884,000Source: CBP |
| Annual Payroll: | $33,439,000Source: CBP |
| # of Employees: | 559Source: CBP |
ZIP Code 29578 is located in Horry County, South Carolina, within the Myrtle Beach-Conway-North Myrtle Beach, SC Metropolitan Statistical Area (CBSA 34820) and South Carolina's 7th Congressional District. This Metro area has a population of 269,291 people, about 0.00% of whom live in ZIP Code 29578. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Myrtle Beach-Conway-North Myrtle Beach, SCSource: Census |
| CBSA Number: | 34820Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 269,291Source: Census |
| MSA: | Myrtle Beach, SC MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 07Source: USPS |
| Congressional Land Area: | 5354.62 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 4549075Source: Census |
| Place Name: | Myrtle Beach city; South CarolinaSource: Census |
We could not locate which school district 29578 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.