Founded in 1771, Guilford County is one of 100 counties in the state of North Carolina. Historically, Guilford County was formed from Orange County and Rowan County. The city of Greensboro is the county seat. With FIPS code of 81, Guilford County has a population of 542,410 and area of 658 square miles (1,704 km2).
List of all cities in Guilford County, NC alphabetically
| City/Town | Postal Code | Area Code |
| A M F GReensboro, NC | 27425 | 704/980 |
| A&T State University, NC | 27411 | 336 |
| Allen Jay, NC | 27263 | 336 |
| Archdale, NC | 27263 | 336 |
| Brightwood, NC | 27214 | 336 |
| Browns Summit, NC | 27214 | 336 |
| Busick, NC | 27214 | 336 |
| Climax, NC | 27233 | 336 |
| Colfax, NC | 27235 | 336 |
| Country Park Acres, NC | 27408 | 336 |
| Deep River, NC | 27260 | 336 |
| Emerywood, NC | 27262 | 336 |
| Forest Oaks, NC | 27406 | 336 |
| Freemans Mills, NC | 27260 | 336 |
| Friendship, NC | 27410 | 336 |
| Gibsonville, NC | 27249 | 336 |
| Glenola, NC | 27260 | 336 |
| Greensboro, NC | 27401 | 336 |
| 27402 | 336 | |
| 27403 | 336 | |
| 27404 | 336 | |
| 27405 | 336 | |
| 27406 | 336 | |
| 27407 | 336 | |
| 27408 | 336 | |
| 27409 | 336 | |
| 27410 | 336 | |
| 27411 | 336 | |
| 27412 | 336 | |
| 27413 | 336 | |
| 27415 | 336 | |
| 27416 | 336 | |
| 27417 | 336 | |
| 27419 | 336 | |
| 27420 | 336 | |
| 27425 | 704/980 | |
| 27427 | 336 | |
| 27429 | 336 | |
| 27435 | 704/980 | |
| 27438 | 336 | |
| 27455 | 336 | |
| 27495 | 336 | |
| 27497 | 336 | |
| 27498 | 336 | |
| 27499 | 336 | |
| Greensboro BMC, NC | 27495 | 336 |
| Greensboro Business Reply, NC | 27499 | 336 |
| Greensboro Courtesy Reply, NC | 27498 | 336 |
| Greensboro-High Point-Winsto, NC | 27410 | 336 |
| Groomtown, NC | 27407 | 336 |
| Guilford, NC | 27409 | 336 |
| 27410 | 336 | |
| Guilford College, NC | 27409 | 336 |
| 27410 | 336 | |
| Guilford Courthouse National, NC | 27408 | 336 |
| Hamtown, NC | 27405 | 336 |
| High Point, NC | 27260 | 336 |
| 27261 | 336 | |
| 27262 | 336 | |
| 27263 | 336 | |
| 27264 | 336 | |
| 27265 | 336 | |
| Hilltop, NC | 27407 | 336 |
| Jamestown, NC | 27282 | 336 |
| Julian, NC | 27283 | 336 |
| McLeansville, NC | 27301 | 336 |
| Monticello, NC | 27214 | 336 |
| Mount Zion, NC | 27405 | 336 |
| Oak Ridge, NC | 27310 | 336 |
| Osceola, NC | 27214 | 336 |
| Plaza, NC | 27408 | 336 |
| Pleasant Garden, NC | 27313 | 336 |
| Rankin, NC | 27405 | 336 |
| Ridgefield, NC | 27410 | 336 |
| Rudd, NC | 27214 | 336 |
| Sedalia, NC | 27342 | 336 |
| Sedgefield, NC | 27407 | 336 |
| South Greensboro, NC | 27406 | 336 |
| Spring Valley, NC | 27406 | 336 |
| Stokesdale, NC | 27357 | 336 |
| Stoney Creek, NC | 27377 | 336 |
| Summerfield, NC | 27358 | 336 |
| Summit, NC | 27405 | 336 |
| Tennessee Acres, NC | 27405 | 336 |
| UNC-G, NC | 27412 | 336 |
| UNC-Greensboro, NC | 27413 | 336 |
| USPS Hr Shared Svcs, NC | 27497 | 336 |
| Vandalia, NC | 27406 | 336 |
| Whitsett, NC | 27377 | 336 |