# NAICS 561421: Telephone Answering Services

Breadcrumb: [NAICS codes](https://bidrover.com/naics) › [561421 Telephone Answering Services](https://bidrover.com/naics/561421)

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.

- NAICS code: 561421
- Title: Telephone Answering Services
- Sector: 56 Administrative and Support and Waste Management and Remediation Services
- Subsector: 561 Administrative and Support Services
- Industry group: 5614 Business Support Services
- NAICS industry: 56142 Telephone Call Centers
- SBA size standard: $19 million average annual receipts
- Open bids on BidRover: 1
- Updated: Oct 23, 2026

## Open bids (1)

- [Live Answering Services](https://bidrover.com/bids/live-answering-services--44bbbcdf-b7c0-4cd2-b547-51a5a33084a7) — Professional services · United States · due 2026-11-12

## Frequently asked questions

### What is NAICS code 561421?

NAICS 561421 is "Telephone Answering Services" in the 2022 North American Industry Classification System, in sector 56 (Administrative and Support and Waste Management and Remediation Services). 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.

### What is the SBA size standard for NAICS 561421?

A business is small under NAICS 561421 at or below $19 million average annual receipts, including affiliates (13 CFR 121.201). Confirm the standard named in each solicitation.

### How many government bids are open under NAICS 561421?

BidRover counts 1 open bid that cite NAICS 561421 as of Oct 23, 2026, refreshed every hour from official public sources. Many state and local notices do not list a NAICS code, so search by keyword too.

### How do I get alerts for NAICS 561421 bids?

Save an alert on this page. A free account gets new matching bids by weekly email; the Team plan ($19/mo) sends daily alerts with match scores, the buyer, source link and documents.

## Related NAICS codes

- [517112 Wireless Telecommunications Carriers (except Satellite)](https://bidrover.com/naics/517112)
- [561422 Telemarketing Bureaus and Other Contact Centers](https://bidrover.com/naics/561422)
- [561410 Document Preparation Services](https://bidrover.com/naics/561410)
- [561431 Private Mail Centers](https://bidrover.com/naics/561431)
- [561439 Other Business Service Centers (including Copy Shops)](https://bidrover.com/naics/561439)
- [561440 Collection Agencies](https://bidrover.com/naics/561440)
- [561450 Credit Bureaus](https://bidrover.com/naics/561450)
- [561491 Repossession Services](https://bidrover.com/naics/561491)

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Code titles and definitions: U.S. Census Bureau, North American Industry Classification System (NAICS), 2022 (https://www.census.gov/naics/). Size standards: U.S. Small Business Administration, Small Business Size Standards, 13 CFR 121.201, eCFR text current as of 2026-10-21 (https://www.ecfr.gov/current/title-13/section-121.201).

BidRover lists bids from official public sources. It is not an issuing authority; confirm the NAICS code and size standard named in each solicitation.