CallataGuidesWatertown, SD business phone guide
Population, businesses by sector and industry, area codes and local numbers for the Watertown, SD micropolitan area.
- Population
- 29,2782024 est.
- Establishments
- 1,210CBP 2023
- Counties
- 1
- Area codes
- 1
About the Watertown, SD micropolitan area
The Watertown, SD micropolitan area covers 1 county in South Dakota and had 29,278 residents in July 2024, up 3.4% since April 2020. The U.S. population grew 2.6% over the same period. By population it ranks 830th of the 925 metro and micropolitan areas and 587th by business establishments.
| County | Population (2024) |
|---|---|
| Codington County, SD | 29,278 |
Source: Census Vintage 2024 metropolitan and micropolitan area estimates.
Businesses in Watertown, SD
County Business Patterns counted 1,210 establishments in the area in 2023, employing 15,001 people in mid-March with $685.1 million in annual payroll. That is an average of 12.4 employees per establishment. 55.1% of establishments with employees had fewer than five people. By establishment count, the largest sectors are retail trade (189), construction (136), and other services (except public administration) (117).
| Sector (NAICS) | Establishments | Employees | Annual payroll |
|---|---|---|---|
| Retail Trade (44) | 189 | 2,740 | $85,105,000 |
| Construction (23) | 136 | 720 | $47,766,000 |
| Other Services (except Public Administration) (81) | 117 | 669 | $20,771,000 |
| Health Care and Social Assistance (62) | 100 | 2,012 | $109,458,000 |
| Accommodation and Food Services (72) | 92 | 2,197 | $45,789,000 |
| Manufacturing (31) | 82 | 3,322 | $199,770,000 |
| Finance and Insurance (52) | 79 | 747 | $45,303,000 |
| Wholesale Trade (42) | 76 | 1,025 (high noise) | $66,510,000 |
| Real Estate and Rental and Leasing (53) | 75 | 126 (high noise) | $4,829,000 |
| Professional, Scientific, and Technical Services (54) | 74 | 328 | $16,996,000 |
| Administrative and Support and Waste Management and Remediation Services (56) | 60 | 274 | $9,114,000 |
| Arts, Entertainment, and Recreation (71) | 50 | 157 | $3,688,000 |
| Transportation and Warehousing (48) | 46 | 370 | $14,975,000 |
| Information (51) | 15 | 118 | $4,875,000 |
| Utilities (22) | 5 | 26 (high noise) | $2,619,000 |
| Educational Services (61) | 5 | 107 (high noise) | $2,104,000 |
| Agriculture, Forestry, Fishing and Hunting (11) | 3 | 14 (high noise) | $761,000 |
| Mining, Quarrying, and Oil and Gas Extraction (21) | 3 | 13 | $807,000 |
Source: Census County Business Patterns 2023, two-digit NAICS sectors. Manufacturing, retail and transportation span several two-digit codes; CBP reports them under 31, 44 and 48.
How Watertown, SD's businesses compare
Watertown, SD has 41.3 business establishments per 1,000 residents, 68.1% above the U.S. figure of 24.6. Establishments average 12.4 employees against 16.7 nationally, and payroll per employee is $45,670 (33.2% below the U.S. $68,342). 55.1% of establishments with employees have fewer than five people (U.S.: 55.5%), while 3.9% have 50 or more. Averages are pulled up by large employers; the size table is the better guide to what a typical business here looks like.
| Employment size | Establishments | Share | U.S. share |
|---|---|---|---|
| 1–4 employees | 666 | 55.1% | 55.5% |
| 5–9 employees | 233 | 19.3% | 17.5% |
| 10–19 employees | 154 | 12.7% | 12.5% |
| 20–49 employees | 108 | 8.9% | 9.1% |
| 50 or more employees | 47 | 3.9% | 5.4% |
Employment-size classes count establishments by mid-March 2023 employment. Establishments with no March employees are excluded from the size classes, so shares are of establishments with employees. Source: Census County Business Patterns 2023.
Small-business industries in Watertown, SD
Of the 141 industries these guides cover, 60 have a published Census count in Watertown, SD. The largest are insurance agencies and brokerages (30), full-service restaurants (29), and offices of real estate agents and brokers (27). Relative to population, drinking places are the most over-represented: 37.6 per 100,000 residents against 12.0 nationally.
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Insurance agencies and brokerages | 30 | 122 | 4.1 |
| Full-service restaurants | 29 | 647 | 22.3 |
| Offices of real estate agents and brokers | 27 | 35 | 1.3 |
| Dental offices | 24 | 184 | 7.7 |
| Landscaping services | 23 | 49 | 2.1 |
| Limited-service restaurants | 23 | 503 | 21.9 |
| Residential remodelers | 21 | 58 | 2.8 |
| Law offices | 16 | 66 | 4.1 |
| Plumbing, heating and air-conditioning contractors | 16 | 150 | 9.4 |
| New single-family housing construction contractors | 16 | — | — |
| General automotive repair shops | 16 | 76 | 4.8 |
| Hotels and motels | 15 | 176 | 11.7 |
| Janitorial services | 12 | 63 | 5.3 |
| Physician practices | 11 | 211 | 19.2 |
| Drinking places | 11 | 96 | 8.7 |
| Electrical contractors | 10 | 109 | 10.9 |
| Beauty salons | 10 | — | — |
| Chiropractic offices | 9 | 38 | 4.2 |
| Finish carpentry contractors | 9 | — | — |
| Hardware stores | 9 | 41 | 4.6 |
| Poured concrete foundation and structure contractors | 8 | 28 | 3.5 |
| Automotive parts and accessories stores | 8 | 74 | 9.3 |
| Used merchandise stores | 8 | 58 | 7.3 |
| Optometry practices | 7 | 45 | 6.4 |
| Site preparation contractors | 7 | 12 | 1.7 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Phone numbers in the Watertown, SD area
The area's named cities and towns have 19 NANPA-assigned exchanges across 1 area code; 605 has the most (100%). Callata includes up to 3 local numbers, so a business serving several parts of the area can hold a number in each.
| Area code | Exchanges in named places | Share | Time zone |
|---|---|---|---|
| 605 | 19 | 100% | Central and Mountain |
Exchanges in rate centers matched to Census places in the area. Source: NANPA.
Local numbers by city
Pages for 1 cities and towns in the area list their area codes, prefixes and carriers.
| Place | Population (2024) | Area codes | Exchanges |
|---|---|---|---|
| Watertown, SD | 23,492 | 605 | 17 |
Phone costs for a typical Watertown, SD business
Per-seat phone plans multiply by headcount. For the rounded average establishment size in Watertown, SD, 12 users on RingCentral RingEX Core come to $360.00 a month and on Ooma Office Pro $299.40, at month-to-month list prices checked September 28, 2026. Callata comes to $239.00 a month for 12 users ($99 a month with 5 users included, then $20 per additional user), below both.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $239.00 | $2,868.00 |
| Quo (Starter) | $19.00 per user | $228.00 | $2,736.00 |
| Nextiva (Core) | $23.00 per user | $276.00 | $3,312.00 |
| Ooma (Office Pro) | $24.95 per user | $299.40 | $3,592.80 |
| Dialpad (Standard) | $27.00 per user | $324.00 | $3,888.00 |
| RingCentral (RingEX Core) | $30.00 per user | $360.00 | $4,320.00 |
Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.
Callata in Watertown, SD
Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.
Porting a number you already use in Watertown, SD is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.
AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.
Frequently asked questions
What area codes serve Watertown, SD?
605, by NANPA-assigned exchanges in the area's named places.
How many businesses are in the Watertown, SD area?
1,210 establishments in 2023, according to Census County Business Patterns.
How much does a business phone system cost in Watertown, SD?
Callata is $99 a month with 5 users included, then $20 per additional user; for a 12-person team that is $239.00 a month. The same team on Ooma Office Pro lists at $299.40 a month (checked September 28, 2026).