Keyword Analysis & Research: when did the usa start using zip codes

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when did the usa start using zip codes	1.34	0.9	1485	51	38
when	1.49	0.6	3393	34	4
did	1.82	0.8	1710	73	3
the	1.54	0.6	4803	62	3
usa	0.5	0.8	161	96	3
start	1.28	0.3	6352	10	5
using	0.15	0.6	2685	25	5
zip	1.46	1	1552	57	3
codes	0.32	0.6	4237	49	5

Keyword	CPC	PCC	Volume	Score
when did the usa start using zip codes	0.08	1	3429	39