Rock Hill, Louisiana
No ZIP code carries the name of Rock Hill, Louisiana, in Grant Parish; the nearest ZIP code is 71417, in area code 318, with 457 as an overlay.
- Nearest ZIP
- 71417
- Area codes
- 318, 457
- County
- Grant Parish
- State
- Louisiana
- Time zone
- Central Time
- Coordinates
- 31.4390, -92.5759
Nearest ZIP codes to Rock Hill
This is the ZIP code nearest to Rock Hill, each listed with the post office it is named after.
Area codes for Rock Hill
- Area code 318
In service since 1957. Shares its area with 457. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
- Area code 457
In service since September 25, 2025. Shares its area with 318. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.
Time zone
Rock Hill is in the Central Time zone.
Towns near Rock Hill
Local numbers in area code 318
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- (318) 770-7789Keatchie, LA$59View & buy
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- (318) 770-8760Keatchie, LA$59View & buy
- (318) 770-8761Keatchie, LA$59View & buy
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- (318) 770-8764Keatchie, LA$59View & buy
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- (318) 770-8768Keatchie, LA$59View & buy
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