Detect phone numbers stored in house number field

[mapomatic]

Sometimes a phone # accidentally ends up in the house number field. Perform a check on the HN field to see if it matches a phone # format (eg, if it's 7 or 10 digits long), and raise a flag.

[mapomatic]

Found one that included a "1", area code, and phone #. So 11 digits is viable. Could we flag anything with 7 or more digits in a HN? Are there legitimate HN's with 7 or more digits?