as of 13 december 2011, there were 555 national wildlife refuges in the united states. refuges that have boundaries in multiple states are listed only in the state where the main visitor entrance is located. the newest refuge established is the cherry valley national wildlife refuge in pennsylvania. the united states is divided into seven regions for administrative purposes: {| | valign="top" | *pacific region (region 1) **american samoa **guam **hawaii **idaho **northern mariana islands **oregon **us minor outlying islands (1 and 4) **washington | valign="top" | *southwest region (region 2) **arizona **new mexico **oklahoma **texas | valign="top" | *midwest region (region 3) **illinois **indiana **iowa **michigan **missouri **minnesota **ohio **wisconsin | valign="top" | *southeast region (region 4) **alabama **arkansas **florida **georgia **kentucky **louisiana **mississippi **north carolina **puerto rico **south carolina **tennessee **us minor outlying islands (1 and 4) **us virgin islands |} {| | valign="top" | *northeast region (region 5) **connecticut **delaware **district of columbia **maine **maryland **massachusetts **new hampshire **new jersey **new york **pennsylvania **rhode island **vermont **virginia **west virginia | valign="top" | *mountain-prairie region (region 6) **colorado **kansas **montana **north dakota **nebraska **south dakota **utah **wyoming | valign="top" | *alaska region (region 7) **alaska | valign="top" | *pacific southwest region (region 8) **california **nevada |} __notoc__ {| border="0" id="toc" style="margin: 0 auto;" align=center | al | ak | az | ar | ca | co | ct | de | dc | fl | ga | hi | id | il | 
National_Wildlife_Refuges_of_the_United_States United_States_Fish_and_Wildlife_Service