area codes starting 5
| Oakham, Massachusetts | 508 | More |
| Auburn, Massachusetts | 508 | More |
| Blackstone, Massachusetts | 508 | More |
| Boylston, Massachusetts | 508 | More |
| Brookfield, Massachusetts | 508 | More |
| Charlton, Massachusetts | 508 | More |
| Charlton City, Massachusetts | 508 | More |
| Charlton Depot, Massachusetts | 508 | More |
| East Brookfield, Massachusetts | 508 | More |
| Douglas, Massachusetts | 508 | More |
| East Princeton, Massachusetts | 508 | More |
| Fiskdale, Massachusetts | 508 | More |
| Grafton, Massachusetts | 508 | More |
| Holden, Massachusetts | 508 | More |
| Jefferson, Massachusetts | 508 | More |
| Leicester, Massachusetts | 508 | More |
| Linwood, Massachusetts | 508 | More |
| Manchaug, Massachusetts | 508 | More |
| Millbury, Massachusetts | 508 | More |
| Millville, Massachusetts | 508 | More |
| New Braintree, Massachusetts | 508 | More |
| Northborough, Massachusetts | 508 | More |
| Northbridge, Massachusetts | 508 | More |
| North Brookfield, Massachusetts | 508 | More |
| North Grafton, Massachusetts | 508 | More |
| North Oxford, Massachusetts | 508 | More |
| North Uxbridge, Massachusetts | 508 | More |
| Oxford, Massachusetts | 508 | More |
| Rochdale, Massachusetts | 508 | More |
| Rutland, Massachusetts | 508 | More |
| Shrewsbury, Massachusetts | 508 | More |
| Shrewsbury, Massachusetts | 508 | More |
| Southbridge, Massachusetts | 508 | More |
| South Grafton, Massachusetts | 508 | More |
| Spencer, Massachusetts | 508 | More |
| Sturbridge, Massachusetts | 508 | More |
| Upton, Massachusetts | 508 | More |
| Uxbridge, Massachusetts | 508 | More |
| Webster, Massachusetts | 508 | More |
| Dudley, Massachusetts | 508 | More |
| Westborough, Massachusetts | 508 | More |
| Westborough, Massachusetts | 508 | More |
| Westborough, Massachusetts | 508 | More |
| West Boylston, Massachusetts | 508 | More |
| West Brookfield, Massachusetts | 508 | More |
| West Millbury, Massachusetts | 508 | More |
| Whitinsville, Massachusetts | 508 | More |
| Sutton, Massachusetts | 508 | More |
| Worcester, Massachusetts | 508 | More |
| Worcester, Massachusetts | 508 | More |
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