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811 Center (One Call Center) Data – 2021

CGA’s One Call Systems International (OCSI) committee, made up of 811 center representatives across the U.S. and Canada, spearhead CGA’s effort to collect annual 811 center statistics. Currently, CGA gathers annual statistics on incoming locate requests and outgoing transmissions, among other pieces of information such as state laws (advance notice, life-of-ticket, exemptions, etc.).

Figure 1 provides the 2021 totals for the various methods of incoming locate requests as well as outgoing transmissions. The figure is based on the 811 centers in the U.S. (45 states, 48 centers[1]) and Canada (9 provinces/centers) that submitted information for 2021.

 

[1] Several states have multiple centers.

Figure 1

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