NAICS 621320
Offices of Optometrists
RampedUp holds 6,145 professional profiles classified to 2022 NAICS 621320 as of the build — 0.0% of all profiles carrying a NAICS classification. Of those, 2,054 carry a professional email address and 918 carry a mobile number. Ranked #306 of 370 codes.
What NAICS 621320 covers
This industry comprises establishments of health practitioners having the degree of O.D. (Doctor of Optometry) primarily engaged in the independent practice of optometry. These practitioners examine, diagnose, treat, and manage diseases and disorders of the visual system, the eye, and associated structures as well as diagnose related systemic conditions. Offices of optometrists prescribe and/or provide eyeglasses, contact lenses, low vision aids, and vision therapy. They operate private or group practices in their own offices (e.g., centers, clinics) or in the facilities of others, such as hospitals or HMO medical centers, and may also provide the same services as opticians, such as selling and fitting prescription eyeglasses and contact lenses. Cross-References.
Official 2022 NAICS definition. Sector 62 — Health Care and Social Assistance. Mapped in the RampedUp taxonomy to Optometrists.
What the records carry
Field coverage for NAICS 621320, August 2026 build.
| Field on the record | Records | Share of 621320 | Share across all NAICS |
|---|---|---|---|
| Professional email | 2,054 | 33.4% | 50.8% |
| Personal email | 745 | 12.1% | 16.0% |
| Phone (any) | 5,173 | 84.2% | 89.3% |
| Mobile number | 918 | 14.9% | 13.4% |
| Primary contact record | 4,393 | 71.5% | 63.9% |
| All five present on one record | 148 | 2.4% | 4.5% |
Counts come from the RampedUp August 2026 build. RampedUp's crosswalk maps each 6-digit 2022 NAICS code to exactly one industry in its own taxonomy, so this is that industry's population viewed under the NAICS classification — not a separate tally.
Comparable NAICS codes
The codes ranked either side of 621320 by profile count.
| # | Code | Title | Profiles | Professional email |
|---|---|---|---|---|
| 304 | 236210 | Industrial Building Construction | 6,355 | 2,417 |
| 305 | 424590 | Other Farm Product Raw Material Merchant Wholesalers | 6,347 | 1,941 |
| 307 | 424350 | Clothing and Clothing Accessories Merchant Wholesalers | 6,085 | 2,467 |
| 308 | 211130 | Natural Gas Extraction | 6,082 | 3,148 |
Questions about NAICS 621320
What is NAICS code 621320?
621320 — Offices of Optometrists. This industry comprises establishments of health practitioners having the degree of O.D. (Doctor of Optometry) primarily engaged in the independent practice of optometry. These practitioners examine, diagnose, treat, and manage diseases and disorders of the visual system, the eye, and associated structures as well as diagnose related systemic conditions. Offices of optometrists prescribe and/or provide eyeglasses, contact lenses, low vision aids, and vision therapy. They operate private or group practices in their own offices (e.g., centers, clinics) or in the facilities of others, such as hospitals or HMO medical centers, and may also provide the same services as opticians, such as selling and fitting prescription eyeglasses and contact lenses. Cross-References.
How many contacts does RampedUp have for NAICS 621320?
6,145 professional profiles as of the August 2026 build, which is 0.0% of all profiles carrying a NAICS classification. Counts come from the RampedUp August 2026 build. RampedUp's crosswalk maps each 6-digit 2022 NAICS code to exactly one industry in its own taxonomy, so this is that industry's population viewed under the NAICS classification — not a separate tally.
What contact details are available for NAICS 621320?
2,054 records carry a professional email address (33.4%), 745 a personal email address, 5,173 a phone number and 918 a mobile number.
Need this cross-filtered?
Exact counts for NAICS 621320 on its own. For this code combined with a title level, company size or a required field, ask and we will run it against the live file.