Document and Entity Information	9 Months Ended
	Sep. 30, 2016 shares
Document and Entity Information:
Entity Registrant Name	FULLNET COMMUNICATIONS INC
Document Type	10-Q
Document Period End Date	Sep. 30, 2016
Trading Symbol	fulo
Amendment Flag	false
Entity Central Index Key	0001092570
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding	9,118,161
Entity Filer Category	Smaller Reporting Company
Entity Current Reporting Status	No
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q3