NAICS Code 561421: Telephone Answering Services
National industry
SBA small business size standard: $19 million in average annual receipts
Definition
This U.S. industry comprises establishments primarily engaged in answering telephone calls and relaying messages on behalf of clients or for other establishments of the same enterprise.
Government contracts for this service: PSC DA01 IT Application Development Support Services
Code facts
- Part of
-
-
56
-
561
-
5614
- 56142
-
5614
-
561
-
56
- Contract awards
- 93 In the last 12 months
- Contract obligations
- $276,511,363 In FY2025
NAICS codes and definitions come from the U.S. Census Bureau, size standards from the SBA and contract spending from SAM.gov/FPDS.
Business activities under NAICS 561421
- Answering services, telephone
- Message services, telephone answering
- Telephone answering services
- Voice mailbox services
- Wakeup call services
Looking for another activity? Search the NAICS code lookup or browse business activities from A to Z.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $2,828,526 |
| FY2026 | $160,839,869 |
| FY2025 | $276,511,363 |
| FY2024 | $251,525,756 |
| FY2023 | $154,802,990 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Peckham Vocational Industries, Inc. | $122,948,870 | |
| 2 | Innovation At Work Inc. | $8,172,477 | |
| 3 | National Telecommuting Institute, Inc. | $5,463,971 | |
| 4 | Employment Source Inc. | $3,483,955 | |
| 5 | Bobby Dodd Institute, Inc. | $3,198,525 | |
| 6 | Magellan Solutions USA Inc. | $3,182,302 | |
| 7 | Central Association For The Blind, Inc. | $2,751,606 | |
| 8 | Everas Community Services, Inc. | $1,469,505 | |
| 9 | Ivyhill Technologies LLC | $1,430,115 | |
| 10 | Shc-Bgc JV LLC | $1,165,294 |
See the full FY2025 ranking of NAICS 561421 contractors, by parent company.
Top funding agencies by obligations
| Rank | Agency | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | Department of State | $125,156,060 | |
| 2 | Department of Veterans Affairs | $23,089,439 | |
| 3 | Department of the Treasury | $6,040,351 | |
| 4 | Defense Health Agency | $2,595,409 | |
| 5 | Department of Transportation | $2,563,214 | |
| 6 | Department of the Army | $2,380,981 | |
| 7 | Department of Agriculture | $822,372 | |
| 8 | Department of Justice | $288,712 | |
| 9 | Air Force | $174,029 | |
| 10 | Office of Personnel Management | $147,278 |
Top PSC codes by obligations
| Rank | PSC code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 |
DA01 IT and Telecom – Business Application/ |
$122,948,870 | |
| 2 | R426 Communications Services | $17,849,960 | |
| 3 | R499 Other Professional Services | $6,534,355 | |
| 4 | R799 Other Management Support Services | $5,484,113 | |
| 5 | R699 Other Administrative Support Services | $4,683,218 | |
| 6 |
DD01 IT and Telecom – Service Delivery Support Services: ITSM, Operations Center, Project/ |
$1,776,124 | |
| 7 | Q802 Clerical Medical Support | $1,157,490 | |
| 8 | DE11 IT and Telecom – Mobile Device as a Service | $565,198 | |
| 9 | DC01 IT and Telecom – Data Center Support Services (Labor) | $530,593 | |
| 10 | DE02 IT and Telecom – Mobile Device Support Services (Labor) | $474,372 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | District of Columbia | $123,126,065 | |
| 2 | Massachusetts | $5,463,971 | |
| 3 | New York | $3,583,607 | |
| 4 | Georgia | $3,027,287 | |
| 5 | California | $2,919,488 | |
| 6 | Texas | $2,147,458 | |
| 7 | North Carolina | $1,398,626 | |
| 8 | Maryland | $1,275,995 | |
| 9 | Alabama | $1,160,805 | |
| 10 | Florida | $959,937 | |
| 11 | Pennsylvania | $672,943 | |
| 12 | Virginia | $668,847 | |
| 13 | Louisiana | $449,643 | |
| 14 | Oregon | $227,525 | |
| 15 | Oklahoma | $79,841 | |
| 16 | Indiana | $70,800 | |
| 17 | New Jersey | $69,916 | |
| 18 | Colorado | $53,094 | |
| 19 | Washington | $51,643 | |
| 20 | Tennessee | $50,310 | |
| 21 | Utah | $37,882 | |
| 22 | New Mexico | $33,118 | |
| 23 | South Carolina | $16,077 | |
| 24 | Mississippi | $14,935 | |
| 25 | Michigan | $9,380 | |
| 26 | Arizona | $5,152 | |
| 27 | Kansas | $3,659 | |
| 28 | Missouri | $3,291 | |
| 29 | Nebraska | $2,487 | |
| 30 | Iowa | $1,569 |
Show all 30
Shares are of everything obligated under NAICS 561421 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
Show 38 more
Latest 48 of 587 listed here. See the rest on GovTribe.
Size standard history
Federal Register rules that named this code
Proposed size standard changes
| Proposed rule | Published | Comments |
|---|---|---|
| Small Business Size Standards: Monetary-Based Industry Size Standards | Closed Oct 21, 2025No final rule found |
From the NAICS codes each rule's amendments to 13 CFR 121.201 name. Rules that print their size standard tables as images aren't listed.
Quick answers
What is NAICS 561421?
NAICS 561421 is Telephone Answering Services, a national industry in NAICS 56, Administrative and Support and Waste Management and Remediation Services.
What is the NAICS code for wakeup call services?
The NAICS code for wakeup call services is 561421, Telephone Answering Services.
What is the NAICS code for voice mailbox services?
The NAICS code for voice mailbox services is 561421, Telephone Answering Services.
What is the NAICS code for telephone answering services?
The NAICS code for telephone answering services is 561421, Telephone Answering Services.
When did the size standard for NAICS 561421 last change?
The most recent Federal Register rule on record that names NAICS 561421 in the SBA's size standards is "Small Business Size Standards: Adjustment of Monetary-Based Size Standards, Disadvantage Thresholds, and 8(a) Eligibility Thresholds for Inflation" (87 FR 69118), published Nov 17, 2022 and effective Dec 19, 2022.
How much do federal agencies spend under NAICS 561421?
Federal contracts under NAICS 561421 obligated $276,511,363 in fiscal year 2025 and $846,508,505 in fiscal years 2023 through 2027.
Who are the largest contractors under NAICS 561421?
The contractors with the most obligated under NAICS 561421 in fiscal years 2026 and 2027 are Peckham Vocational Industries, Inc. ($122,948,870); Innovation At Work Inc. ($8,172,477); and National Telecommuting Institute, Inc. ($5,463,971).
Which agencies buy the most under NAICS 561421?
The agencies that obligated the most under NAICS 561421 in fiscal years 2026 and 2027 are Department of State ($125,156,060), Department of Veterans Affairs ($23,089,439) and Department of the Treasury ($6,040,351).
Which PSC codes are used with NAICS 561421?
The PSC codes with the most obligated under NAICS 561421 in fiscal years 2026 and 2027 are DA01 IT and Telecom – Business Application/
Where is the work under NAICS 561421 performed?
By place of performance, the states with the most contract obligations under NAICS 561421 over the last 12 months are the District of Columbia ($123,126,065), Massachusetts ($5,463,971) and New York ($3,583,607).
What is the latest contract opportunity under NAICS 561421?
The latest contract opportunity under NAICS 561421 is W912BU27QA002: Notice of Intent to Sole Source - 911 Emergency Dispatch Services, pre-solicitation from ENDIST Philadelphia (USACE), posted November 3, 2026.
On GovTribe
See everything under NAICS 561421
- Federal contract opportunities, awards and IDVs under this code
- Funding analysis by contractor, agency and set-aside
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