Overview of Collin County ZIP Codes
Collin County, Texas, located just north of Dallas, features a rapidly expanding ZIP Code system covering the "Platinum Corridor" of Frisco and Plano, as well as the booming exurbs of Celina and Anna.
The county includes 46 total ZIP Codes, comprised of standard residential delivery areas, dedicated PO Box facilities, and unique codes for major corporate headquarters (e.g., JCPenney, Toyota).
- Total ZIP Codes: 46
- Standard residential ZIP Codes: 34
- PO Box ZIP Codes: 8
- Unique / business ZIP Codes: 4
- Census ZIP Code Tabulation Areas (ZCTAs): 34
ZIP Code Range in Collin County
Collin County ZIP Codes fall primarily within the "750" (Suburban) and "754" (Rural/Northeast) prefixes:
- Lowest ZIP Code: 75002 (Allen/Parker)
- Highest ZIP Code: 75495 (Van Alstyne)
- Highest Residential ZIP Code: 75454 (Melissa)
- Overall ZIP range: 75002–75495
Post Offices and PO Box ZIP Codes
- PO Box ZIP Codes: 8 PO Box-only ZIP Codes (e.g., 75086 in Plano, 75069 in McKinney)
- Post office facilities: 28 USPS post offices, stations, and branches throughout the county
- PO Box locations: Concentrated in Plano (750xx) and McKinney (75069/75070)
Cities, Towns, and Communities Covered by Collin County ZIP Codes
Collin County ZIP Codes serve the major cities of the northern Dallas Metroplex and the rapidly growing towns along the US-75 and US-380 corridors.
Major Cities (750xx Series)
- Plano (75023, 75024, 75025, 75074, 75075, 75093)
- Frisco (75033, 75034, 75035, 75036 - shared with Denton)
- McKinney (75069, 75070, 75071, 75072)
- Allen (75002, 75013)
- Wylie (75098), Murphy (75094), Sachse (75048)
Growth & Rural Areas (754xx / 751xx Series)
- North: Celina (75009), Prosper (75078), Anna (75409), Melissa (75454)
- East: Princeton (75407), Farmersville (75442), Blue Ridge (75424)
- Southeast: Lavon (75166), Nevada (75173), Josephine (75164)
- Dallas Overlap: 75248, 75252, 75287 (Far North Dallas - Collin County side)
ZIP Code Population Patterns
Population density is extremely high in the southwest corner (Plano/Frisco) and rapidly increasing in the northern corridor.
- Most populated ZIP Code areas: Frisco's 75035 is the most populous, exceeding 86,000 residents, followed by Allen's 75002 (~73,000) and McKinney's 75070 (~60,000).
- Least populated ZIP Codes: Rural towns like Blue Ridge (75424) have fewer than 4,000 residents, though this is changing rapidly with new developments.
Key ZIP Code Statistics (Summary)
| Category |
Value |
| Total ZIP Codes |
46 |
| Standard ZIP Codes |
34 |
| PO Box ZIP Codes |
8 |
| Unique / Business ZIP Codes |
4 |
| ZIP Code Range |
75002–75495 |
| Census ZCTAs |
34 |
| Highest Life Expectancy (by ZCTA) |
87.2 years (75024 - West Plano/Legacy) |
| Highest Crime Rate Index |
75074 (East Plano)* |
*Note: Collin County is generally very safe; 75074 reports a higher index relative to the county average due to industrial density, while 75287 (Dallas/Collin border) also sees higher incident volumes.