NAICS 561421 Quarterly Industry Report
Telephone Answering Services
Comprehensive industry research for valuation professionals, business owners, buyers, and lenders
NAICS Code: 561421Sector: Administrative and Support and Waste Management and Remediation Services (56)Updated: Q1 2026
About This Report
This industry profile for Telephone Answering Services (NAICS 561421) draws on data from the U.S. Census Bureau[5], Bureau of Labor Statistics[7], and SBA size standards database[6]. Published by Fair Market Value and updated quarterly, it provides valuation professionals, business brokers, and telecommunications analysts with current market data. The editorial analysis reflects the independent assessment of FairMarketValue.com's research team, with all quantitative claims sourced to publicly verifiable databases.
Industry Snapshot
Key metrics for the telephone answering services industry.
Share of Administrative and Support and Waste Management and Remediation Services
0.2%
By establishment count, 2022 Census[2]
NAICS Sector
56
Administrative and Support and Waste Management and Remediation Services
Industry Definition & Overview
Telephone Answering Services (NAICS 561421) encompasses establishments primarily engaged in answering telephone calls and relaying messages to clients on a contract or fee basis. These services represent a critical back-office function for small businesses, medical practices, legal firms, and other professional services requiring reliable call management outside standard hours or during high-volume periods per the U.S. Census Bureau[5].
The industry has maintained revenues of about $2.4 billion annually. Consolidation has been dramatic: the number of independent answering services declined from over twenty thousand to fewer than one hundred operators in North America over recent decades. Major client segments include contractors (21 percent of market share), healthcare providers (17 percent), legal services, and real estate professionals. Small firms depend on these services to project professionalism without hiring full-time receptionists.
Modern answering services have evolved beyond basic message-taking to include appointment scheduling, order processing, customer surveys, and integration with business software systems such as CRM platforms and electronic health records. Per the SBA Table of Size Standards[6], the size standard is $19.0 million in average annual receipts. Services typically operate through 24/7 staffing models, either traditional in-house teams or virtual receptionist platforms per the Bureau of Labor Statistics[7] classification within Administrative Support Services.
What's Included in This Industry
- Answering telephone calls and relaying messages to business clients
- 24/7 call answering and message relay services
- Appointment scheduling and calendar management
- Order processing and customer inquiry handling
- After-hours call coverage for professional practices
- Customer survey administration and data collection
- Virtual receptionist services
- Call screening and routing
- Bilingual or specialized language call answering
- Emergency response and crisis communication handling
NAICS Classification Hierarchy
| Level | Description | Code |
|---|---|---|
| Sector | Administrative and Support and Waste Management and Remediation Services | 56 |
| Subsector | Administrative and Support Services | 561 |
| Industry Group | Business Support Services | 5614 |
| NAICS Industry | Telephone Call Centers | 56142 |
| National Industry | Telephone Answering Services | 561421 |
Related NAICS Codes
| Code | Description | Relationship |
|---|---|---|
| 561422 | Telemarketing Bureaus and Other Contact Centers | Telemarketing Bureaus and Contact Centers proactively promote client products while answering services primarily receive and relay incoming calls on behalf of clients |
| 561499 | All Other Business Support Services | All Other Business Support Services include fundraising campaign management that may incorporate telephone solicitation and message relay functions |
| 561410 | Document Preparation Services | Document Preparation Services often coordinate with answering services to manage client communications, appointment scheduling, and administrative workflows |
| 561110 | Office Administrative Services | Office Administrative Services provide broader front-office functions that may include call answering as part of contracted business support packages |
| 561431 | Private Mail Centers | Private Mail Centers provide mailbox rental and postal services that complement answering services for businesses needing both mail and phone management |
| 517111 | Wired Telecommunications Carriers | Wired Telecommunications Carriers provide the voice and data infrastructure that enables answering service operations and call routing technology |
Geographic Concentration
Top states by share of national establishments.
| # | State | % Est. | Total Est. |
|---|---|---|---|
| 1 | California | 11.5% | 124 |
| 2 | Florida | 10.5% | 113 |
| 3 | Texas | 9.4% | 101 |
| 4 | New York | 7.2% | 78 |
| 5 | Pennsylvania | 4.0% | 43 |
| 6 | Ohio | 3.1% | 34 |
| 7 | Georgia | 3.0% | 32 |
| 8 | Illinois | 3.0% | 32 |
| 9 | Massachusetts | 2.5% | 27 |
| 10 | Michigan | 2.4% | 26 |
% Of Establishments
0%
11%
Source: County Business Patterns, U.S. Census Bureau[3]
SBA Lending Summary
72
Total SBA Loans
$38.4M
Total Loan Volume
$534K
Average Loan Size
10 yrs
Average Loan Term
10.94%
Average Interest Rate
3,264
Jobs Supported
Source: SBA 7(a) Program Data, U.S. Small Business Administration — FY 2025[4]
Key Insight: The SBA Table of Size Standards[6] sets the size standard for NAICS 561421 at $19.0 million in average annual receipts. This determines eligibility for SBA-backed loans, government contracting set-asides, and small business support programs. SBA loan programs[8] support equipment acquisition, technology infrastructure, and working capital for qualifying answering service businesses. Eligible businesses can access SBA 7(a) loans[9] for working capital, equipment, and acquisition financing, while 504 loans[10] support major fixed-asset purchases including real estate and heavy machinery.
Top SBA Lenders
| # | Lender | Loans | Volume | Avg Loan |
|---|---|---|---|---|
| 1 | Newtek Bank, National Association | 24 | $16.0M | $667K |
| 2 | Wells Fargo Bank National Association | 8 | $11.5M | $1.4M |
| 3 | Bank of America, National Association | 8 | $5.6M | $700K |
| 4 | Citizens Bank | 8 | $2.5M | $313K |
| 5 | BayFirst National Bank | 8 | $1.2M | $150K |
Frequently Asked Questions
Common questions about this industry.
What types of businesses use telephone answering services?
Medical practices, dental offices, law firms, real estate agencies, consulting firms, and home-based businesses represent the core clientele. Contractors comprise 21 percent of users, healthcare providers represent 17 percent, followed by legal services and real estate per the U.S. Census Bureau[5]. Small businesses benefit from professional call handling without hiring full-time receptionists.
How is the telephone answering services industry structured?
The industry has consolidated dramatically, from over twenty thousand independent operators to fewer than one hundred in North America. Business models range from traditional in-house call centers to distributed virtual teams and cloud-based platforms per the Bureau of Labor Statistics[7]. Revenue is about $2.4 billion annually. Remaining operators tend to be larger, technology-enabled firms with economies of scale.
What is the SBA size standard for telephone answering services?
Per the SBA Table of Size Standards[6], NAICS 561421 has a size standard of $19.0 million in average annual receipts. This determines small business eligibility for SBA loans, government contracting set-asides, and other support programs.
What related NAICS codes apply to answering services?
Related codes include NAICS 561422 (Telemarketing Bureaus), NAICS 561410 (Document Preparation), NAICS 561431 (Private Mail Centers), NAICS 561110 (Office Administrative Services), and NAICS 517111 (Wired Telecommunications). Answering services differ from telemarketing by receiving rather than initiating calls per the U.S. Census Bureau[5].
What industries rely most on answering services?
Healthcare, legal, and real estate represent the largest client base. Medical offices need after-hours triage and appointment scheduling. Law firms require professional intake for new client inquiries. Real estate agents capture leads outside business hours. Contractors and home service businesses also depend heavily on answering services to avoid missed calls.
What specific activities are included in telephone answering services?
Core activities include answering incoming calls, taking messages, scheduling appointments, routing inquiries, processing orders, collecting customer information, and providing after-hours coverage per the U.S. Census Bureau[5]. Modern services also offer appointment reminders, bilingual support, call screening, and CRM integration.
Can answering service businesses get SBA loans?
Yes, businesses meeting the $19 million size standard qualify for SBA 7(a) loans[8] covering working capital, equipment, technology infrastructure, and expansion. SBA Express loans offer faster approvals for smaller financing needs.
Which states have the highest concentration of answering service operations?
Texas, Florida, Arizona, and Georgia lead in contact center employment broadly. Major metro areas including Dallas, Houston, Tampa, Miami, Phoenix, and Atlanta serve as regional hubs per the Bureau of Labor Statistics[7]. Answering service operations follow similar geographic patterns, concentrating in areas with large small business populations.
Sources & References
Government datasets and editorial sources used in this report.
- [1]U.S. Bureau of Labor Statistics, Quarterly Census of Employment and Wages bls.gov
- [2]U.S. Census Bureau, Economic Census census.gov
- [3]U.S. Census Bureau, County Business Patterns census.gov
- [4]U.S. Small Business Administration, SBA 7(a) Loan Program Data data.sba.gov
- [5]U.S. Census Bureau census.gov
- [6]SBA Table of Size Standards sba.gov
- [7]Bureau of Labor Statistics bls.gov
- [8]SBA loan programs sba.gov
- [9]SBA 7(a) loans sba.gov
- [10]504 loans sba.gov
Disclaimer
This publication has been prepared by Fair Market Value (“Fair Market Value”) for informational purposes only. It is provided on an “as-is” and “as available” basis. Fair Market Value makes no representations or warranties, express or implied, regarding the merchantability, fitness for a particular purpose, completeness, or accuracy of the data or information contained herein. This publication is not intended to be, and should not be construed as, professional financial, legal, tax, or investment advice. Users should consult with qualified professionals before making any financial or business decisions based on the information presented.
To the extent permitted by law, Fair Market Value disclaims all liability for loss or damage, direct and indirect, suffered or incurred by any person resulting from the use of, or reliance upon, the data in this publication.
Copyright © 2026 Fair Market Value. All rights reserved. All data, information, articles, graphs, and content contained in this publication are copyrighted works and Fair Market Value hereby reserves all rights. No part of this publication may be copied, reproduced, republished, uploaded to a third party, or distributed without the prior written permission of Fair Market Value.