City Carrier Name:Humboldt

This is the United States City Carrier Name:Humboldt Area Code Database page list. You can click the title to browse the detail information.

Region Code: IA
Region Name	National Destination Code	Sn from	Sn to	Number Type
Iowa	515	3321000	3321999	G
Iowa	515	3322000	3322999	G
Iowa	515	3323000	3323999	G
Iowa	515	3324000	3324999	G
Iowa	515	3325000	3325999	G
Iowa	515	3327000	3327999	G
Iowa	515	3329000	3329999	G

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