Reference / Quality Indicators

Phone Quality Indicators

Reference codes returned in quality.phones by the Egon Phone validation service.

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Quality Codes

Detailed quality indicators describing telephone number formatting, country dial-in additions, area codes, and prefix consistency.

Flag	Code	Description
0 · OK	0	OK
1 · Changed	970	Format corrected
1 · Changed	971	Italian dial-in code added
1 · Changed	972	Extra information separated from phone number
1 · Changed	973	National dial-in code added
1 · Changed	974	Contradictory phone type and prefix
1 · Changed	975	Old prefix found
1 · Changed	976	International phone found
1 · Changed	977	Isolated digits removed
1 · Changed	978	Phone number composed by 4 digits
1 · Changed	979	Same digit repetition with valid prefix
1 · Changed	980	Different phone numbers found
1 · Changed	981	Phone type information
1 · Changed	982	Missing prefix with ambiguous locality
1 · Changed	983	Too many phone numbers
1 · Changed	984	International dial-in code added
1 · Changed	985	Phone number starting with zero
2/3 · Not valid	442	Missing prefix
2/3 · Not valid	470	Wrong phone number
2/3 · Not valid	471	Phone number not present
2/3 · Not valid	472	Phone number 0
2/3 · Not valid	473	Too many numbers
2/3 · Not valid	474	Same digit repetition
2/3 · Not valid	475	Prefix not found for Country
2/3 · Not valid	476	Prefix not congruent with Locality