Keyword Analysis & Research: history of zip codes in the united states

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
history of zip codes in the united states	0.01	0.1	5469	54	41
history	1.11	0.5	5646	33	7
of	0.05	1	3683	10	2
zip	1.79	0.9	7245	63	3
codes	0.6	0.2	6252	35	5
in	1.45	0.6	5291	79	2
the	1.54	0.3	616	74	3
united	0.09	0.4	9822	81	6
states	1.03	1	9617	83	6

Keyword	CPC	PCC	Volume	Score
history of zip codes in the united states	0.45	1	9811	60
zip codes began in what year	1.6	0.9	1246	46
zip codes started in what year	1.78	0.7	1656	1
when did they start zip codes	1.45	0.2	556	39
when did usa start using zip codes	0.37	0.1	2275	26
when were zip codes started	1.29	0.8	4111	87
when did the zip code begin	0.43	0.3	7530	80
when was the zip code introduced	1.64	0.9	9179	71
when were zip codes established	0.28	0.8	9396	3
when did the zip code start	0.47	0.8	2957	71
when zip codes began	0.18	0.3	2821	26
what year did zip codes begin	1.89	0.9	3239	60
what year was the zip code introduced	1.48	0.7	406	12
when was the first zip code used	1.91	0.8	6008	54