23,700 dispatch centers + 6,900 PSAPs - in USA

[Peteri Szerlagi]

There are almost 23,700 dispatch centers in the United States of which
approximately 6,900 are PSAP centers. Many of these dispatch centers
are regional dispatch centers serving multiple agencies. The following
document lists the PSAP centers in each New England State, what
formula they use to charge member town, what dispatch services they
are capable of providing and what are the local dispatch centers in
the six New England States

see the link to report at right side of page - https://klingreport.com/dispatch/