The following is a list of county routes in Atlantic County in the U.S. state of New Jersey. For more information on the county route system in New Jersey as a whole, including its history, see County routes in New Jersey.
In addition to those listed below, the following 500-series county routes serve Atlantic County:
| Route | Length[1] | South/West end | North/East end | Road name(s) | |
|---|---|---|---|---|---|
| County Route 601 | 0.96 miles (1.54 km) | White Horse Pike (US 30) in Absecon near the Galloway Township-Absecon border | US 9 in Absecon | New Jersey Avenue | |
| County Route 602 | 0.95 miles (1.52 km) | CR 561 in Hammonton | White Horse Pike (US 30) in Hammonton | South Egg Harbor Road | |
| County Route 603 | 0.52 miles (0.84 km) | Black Horse Pike (US 40/US 322) in Egg Harbor Township | Dead end at ACE in Egg Harbor Township | English Creek Avenue | |
| County Route 604 | 1.28 miles (2.06 km) | Pearce Road in Egg Harbor Township | CR 563 in EHT | English Creek Avenue | |
| County Route 605 | 0.40 miles (0.65 km) | Dead end in Galloway Township | CR 575 in Galloway Township | English Creek Avenue | |
| County Route 606 | 0.51 miles (0.82 km) | Harding Highway (US 40) in Hamilton Township | CR 559 in Hamilton Township | Old Harding Highway | |
| County Route 608 | 2.72 miles (4.37 km) | CR 563 in Egg Harbor Township | Black Horse Pike (US 40/US 322) in Pleasantville | Washington Avenue | |
| County Route 610 | 2.43 miles (3.91 km) | US 9 in Smithville | CR 575 in Port Republic | Old New York Road | |
| County Route 611 | 0.59 miles (0.95 km) | NJ 50 in Corbin City | NJ 50 in Corbin City | Main Street (former alignment of NJ 50) | |
| County Route 612 | 5.18 miles (8.34 km) | CR 623 in Mullica Township | CR 643 in Mullica Township | Weekstown Road | |
| County Route 613 | 3.11 miles (5.01 km) | White Horse Pike (US 30) in Hammonton | US 206 in Hammonton | Middle Road | |
| County Route 614 | 7.53 miles (12.12 km) | Harding Highway (US 40) in Hamilton Township | CR 561 Alt in Germania | Colonge Avenue | |
| County Route 615 | 8.05 miles (12.95 km) | CR 559 in Egg Harbor Township | CR 585 in Northfield | Zion Road | |
| County Route 616 | 0.36 miles (0.57 km) | Harding Highway (US 40) in Hamilton Township | CR 559 in Hamilton Township | Mill Street | |
| County Route 617 | 0.36 miles (0.57 km) | Cape May Ave. (US 40/NJ 50) in Hamilton Township | CR 559 in Hamilton Township | River Drive | |
| County Route 618 | 2.07 miles (3.33 km) | US 9 in Oceanville | CR 561 Alt in Leeds Point | Leeds Point Road | |
| County Route 619 | 3.12 miles (5.02 km) | Cumberland County line (continues as Cumberland CR 619) | Harding Highway (US 40) in Buena Boro | Wheat Road | |
| County Route 620 | 0.21 miles (0.34 km) | CR 635 in Somers Point (continues as NJ 152) | CR 585 in Somers Point | Maryland Avenue | |
| County Route 622 | 0.32 miles (0.52 km) | Harding Highway (US 40) in Buena Vista Township (continues as CR 540) | Railroad Ave. in Buena Vista Township | Cedar Avenue | |
| County Route 623 | 10.74 miles (17.29 km) | CR 559 in Hamilton township | CR 542 in Mullica Township | Elwood Road | |
| County Route 624 | 7.69 miles (12.39 km) | CR 563 in Egg Harbor City | CR 575 in Port Republic | Clarks Landing Road | |
| County Route 627 | 2.46 miles (3.97 km) | CR 681 in Buena Vista Township | US 40 in Buena boro | S. Central Avenue | |
| County Route 629 | 5.53 miles (8.90 km) | Longport-Egg Harbor Township border (continues as NJ 152) | Black Horse Pike (US 40/US 322 in Atlantic City | Ventnor Avenue; N. Dorset Avenue; Wellington Avenue; West End Avenue (part of Ocean Drive) | |
| County Route 630 | 1.06 miles (1.71 km) | CR 651 in Absecon | CR 585 in Absecon | Ohio Avenue | |
| County Route 631 | 0.15 miles (0.24 km) | CR 585 in Absecon | White Horse Pike (US 30) in Absecon | Illinois Avenue (Dr. Ruppert Avenue) | |
| County Route 633 | 1.68 miles (2.69 km) | US 30 in Pomona | CR 561 in Galloway Township | Jimmie Leeds Road | |
| County Route 634 | 6.24 miles (10.05 km) | Church Street in Absecon | CR 610 in Port Republic | Pitney Road | |
| County Route 635 | 0.91 miles (1.47 km) | CR 585 in Somers Point | NJ 152/CR 620 in Somers Point | Goll Avenue; Bay Avenue | |
| County Route 637 | 5.44 miles (8.76 km) | Cumberland County line | NJ 50 in Estell Manor | Cumberland Avenue | |
| County Route 638 | 3.91 miles (6.29 km) | Atlantic City-Brigantine border (continues as NJ 87) | Dead end in Brigantine | Atlantic-Brigantine Boulevard; Brigantine Avenue | |
| County Route 640 | 2.20 miles (3.55 km) | CR 559 in Hamilton Township | White Horse Pike (US 30) in Hammonton | Weymouth Road | |
| County Route 643 | 4.31 miles (6.94 km) | CR 563 in Mullica Township | CR 623 in Mullica Township | Pleasant Mills Road | |
| County Route 644 | 0.86 miles (1.38 km) | CR 585 in Northfield | Pleasantville-Northfield border | Dauphin Avenue | |
| County Route 645 | 0.62 miles (1.00 km) | CR 648 in Corbin City | NJ 50 in Corbin City | Buck Hill Road | |
| County Route 646 | 7.68 miles (12.36 km) | Black Horse Pike (US 40/US 322) in Hamilton Township | White Horse Pike (US 30) in Absecon | Delilah Road | |
| County Route 647 | 3.16 miles (5.08 km) | CR 561 Alt in Galloway Township | CR 624) in Port Republic | Cologne-Port Republic Road | |
| County Route 648 | 1.41 miles (2.27 km) | CR 649 near Corbin City | NJ 50 in Corbin City | Head of River Road | |
| County Route 649 | 4.15 miles (6.69 km) | NJ 49 in Estell Manor | CR 611 in Corbin City | Aetna Drive | |
| County Route 650 | 0.87 miles (1.40 km) | CR 624 in Port Republic | CR 575 in Port Republic | Chestnut Neck Road | |
| County Route 651 | 12.64 miles (20.34 km) | Morris Avenue in Egg Harbor Township | (US 9/CR 634) in Absecon | Jeffers Landing Road; Steelmanville Road; Bargaintown Road; Fire Road; Mill Road | |
| County Route 652 | 2.09 miles (3.37 km) | CR 563 in Egg Harbor City | Burlington County line (continues as Burlington County Route 652) | Lower Bank Road | |
| County Route 654 | 0.40 miles (0.65 km) | White Horse Pike (US 30) in Galloway Twp. | CR 561 in Galloway Township | Sixth Avenue | |
| County Route 655 | 1.90 miles (3.05 km) | Cumberland County line (continues as Cumberland CR 655) | CR 619 in Buena Boro | Lincoln Avenue | |
| County Route 657 | 2.29 miles (3.69 km) | CR 610 in Galloway Township | Motts Creek docks in Galloway Township | Motts Creek Road | |
| County Route 658 | 5.28 miles (8.50 km) | White Horse Pike (US 30) in Mullica Township | CR 542 in Mullica Township | Columbia Avenue | |
| County Route 659 | 0.28 miles (0.45 km) | CR 615 in Egg Harbor Township | Dead end in Egg Harbor Township | Central Avenue | |
| County Route 660 | 0.16 miles (0.25 km) | CR 617 in Mays Landing | US 40 in Mays Landing | Farragut Avenue | |
| County Route 661 | 0.46 miles (0.74 km) | Dead end in Egg Harbor Township | Egg Harbor Township-Linwood border | Central Avenue | |
| County Route 662 | 5.07 miles (8.16 km) | CR 559 ALT in Egg Harbor Township | CR 585 in Northfield | Mill Road | |
| County Route 663 | 1.34 miles (2.15 km) | CR 651 in Pleasantville | CR 585 in Pleasantville | California Avenue | |
| County Route 665 | 0.76 miles (1.34 km) | US 9 in Somers Point | CR 635 in Somers Point | New York Avenue | |
| County Route 666 | 8.09 miles (13.02 km) | NJ 49 in Head of River | CR 557 in Weymouth | Cape May Avenue | |
| County Route 668 | 0.94 miles (1.51 km) | CR 669 in Weymouth | US 40 in Hamilton Twp. | Walkers Forge Road | |
| County Route 669 | 6.06 miles (9.75 km) | CR 666 in Weymouth | NJ 50 in Weymouth | Eleventh Street | |
| County Route 670 | 3.58 miles (5.76 km) | CR 614 in Hamilton Township | CR 563 in Galloway Township | Race Track Road; Leipzig Avenue; Almond Avenue | |
| County Route 671 | 2.46 miles (3.96 km) | Cumberland County line (continues as Cumberland CR 671) | CR 557 in Buena Vista Township | Union Road | |
| County Route 672 | 2.61 miles (4.21 km) | Cumberland County line (continues as Cumberland CR 672) | US 40/CR 557 in Buena | Brewster Road | |
| County Route 674 | 2.59 miles (4.17 km) | White Horse Pike (US 30) on the Galloway Township-Egg Harbor City border | Renault Winery entrance on the Galloway Township-Egg Harbor City border | Bremen Avenue | |
| County Route 678 | 1.59 miles (2.56 km) | CR 559 in Hammonton | White Horse Pike (US 30) in Hammonton | Fairview Avenue | |
| County Route 679 | 1.08 miles (1.74 km) | CR 542 in Hammonton | White Horse Pike (US 30) in Hammonton | Main Road | |
| County Route 680 | 0.70 miles (1.13 km) | CR 542 in Hammonton | White Horse Pike (US 30) in Hammonton | Broadway | |
| County Route 681 | 2.78 miles (4.48 km) | Cumberland County line (continues as Cumberland CR 681) | CR 557 in Buena vista Township | Oak Road | |
| County Route 682 | 1.84 miles (2.96 km) | CR 672 in Buena Boro | US 30 in Buena Boro | W. Summer Avenue | |
| County Route 684 | 3.20 miles (5.14 km) | Dead end in Egg Harbor Township | Black Horse Pike (US 40/US 322) in Egg Harbor Township | Spruce Avenue | |
| County Route 685 | 2.63 miles (4.23 km) | CR 646 in Egg Harbor Township | CR 651 in Absecon | Wescoat Road | |
| County Route 686 | 5.19 miles (8.35 km) | NJ 50 in South Egg Harbor | CR 605 in Pomona | Aloe Street | |
| County Route 687 | 1.37 miles (2.21 km) | Black Horse Pike (US 40/US 322) in Egg Harbor Township | US 9 in Pleasantville | Old Egg Harbor Road (Tilton Avenue) | |
| County Route 688 | 2.46 miles (3.96 km) | NJ 54 in Hammonton | CR 640 in Hammonton | First Road | |
| County Route 689 | 0.97 miles (1.57 km) | CR 688 in Hammonton | CR 688 in Hammonton | Ninth Street; Grand Street; Tenth Street | |
| County Route 690 | 2.78 miles (4.47 km) | Gloucester County line | NJ 54 in Buena Vista Township | Weymouth Road | |
| County Route 691 | 0.47 miles (0.76 km) | CR 615 on the Northfield-Linwood | Oak Avenue on the Northfield-Linwood border | Burroughs Road | |
| County Route 692 | 0.10 miles (0.17 km) | Baltic/Fairmont Avenue in Atlantic City | Arctic Avenue in Atlantic City | Christopher Columbus Boulevard | |
| County Route 693 | 3.42 miles (5.51 km) | US 206 in Hammonton | CR 542 Hammonton | Columbia Road; Airport Road | |
| County Route 694 | 0.09 miles (0.14 km) | Baltic/Fairmont Avenue in Atlantic City (continues as the northbound carriageway of the Atlantic City Expressway (NJ 446)) | Arctic Avenue in Atlantic City | Arkansas Avenue | |
| County Route 697 | 0.23 miles (0.38 km) | Franklin Ave. in Pleasantville | Dead end in Pleasantville | Old Turnpike | |
| County Route 724 | 1.83 miles (2.95 km) | CR 542 in Hammonton | Camden County line (continues as Camden CR 724) | Wiltseys Mill Road; Third Street | |
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