NEW HAMPSHIRE
| Area Code | Ratecenter | Tier |
|---|
| 603 | ALSTEAD | 1 |
| 603 | ASHLAND | 1 |
| 603 | BARRINGTON | 1 |
| 603 | BARTLETT | 1 |
| 603 | BEDFORD | 1 |
| 603 | BELMONT | 1 |
| 603 | BERLIN | 1 |
| 603 | BETHLEHEM | 1 |
| 603 | BRISTOL | 1 |
| 603 | CAMPTON | 1 |
| 603 | CANAAN | 1 |
| 603 | CANDIA | 1 |
| 603 | CANTERBURY | 1 |
| 603 | CENTER HBR | 1 |
| 603 | CHARLESTN | 1 |
| 603 | CLAREMONT | 1 |
| 603 | COLEBROOK | 1 |
| 603 | CONCORD | 1 |
| 603 | CONWAY | 1 |
| 603 | CTROSSIPEE | 1 |
| 603 | CTRSANDWIH | 1 |
| 603 | DANBURY | 1 |
| 603 | DEERFIELD | 1 |
| 603 | DERRY | 1 |
| 603 | DOVER | 1 |
| 603 | DUBLIN | 1 |
| 603 | DURHAM | 1 |
| 603 | ENFIELD | 1 |
| 603 | EPPING | 1 |
| 603 | EPSOM | 1 |
| 603 | ERROL | 1 |
| 603 | EXETER | 1 |
| 603 | FARMINGTON | 1 |
| 603 | FITZWILLIM | 1 |
| 603 | FRANCONIA | 1 |
| 603 | FRANKLIN | 1 |
| 603 | GOFFSTOWN | 1 |
| 603 | GORHAM | 1 |
| 603 | GREENFIELD | 1 |
| 603 | GREENVILLE | 1 |
| 603 | GROVETON | 1 |
| 603 | HAMPSTEAD | 1 |
| 603 | HAMPTON | 1 |
| 603 | HANCOCK | 1 |
| 603 | HANOVER | 1 |
| 603 | HARRISVL | 1 |
| 603 | HINSDALE | 1 |
| 603 | JACKSON | 1 |
| 603 | JAFFREY | 1 |
| 603 | JEFFERSON | 1 |
| 603 | KEENE | 1 |
| 603 | KINGSTON | 1 |
| 603 | LACONIA | 1 |
| 603 | LANCASTER | 1 |
| 603 | LEBANON | 1 |
| 603 | LISBON | 1 |
| 603 | LITTLETON | 1 |
| 603 | LYME | 1 |
| 603 | MADISON | 1 |
| 603 | MANCHESTER | 1 |
| 603 | MARLBOROGH | 1 |
| 603 | MARLOW | 1 |
| 603 | MEREDITH | 1 |
| 603 | MERRIMACK | 1 |
| 603 | MILAN | 1 |
| 603 | MILFORD | 1 |
| 603 | MILTON | 1 |
| 603 | MILTON ML | 1 |
| 603 | MONROE | 1 |
| 603 | NASHUA | 1 |
| 603 | NEW BOSTON | 1 |
| 603 | NEWPORT | 1 |
| 603 | NO CONWAY | 1 |
| 603 | NO STRATFD | 1 |
| 603 | NORTHWOOD | 1 |
| 603 | NOWOODSTOK | 1 |
| 603 | ORFORD | 1 |
| 603 | PELHAM | 1 |
| 603 | PENACOOK | 1 |
| 603 | PETERBROGH | 1 |
| 603 | PIERMONT | 1 |
| 603 | PIKE | 1 |
| 603 | PITTSBURG | 1 |
| 603 | PITTSFIELD | 1 |
| 603 | PLAINFIELD | 1 |
| 603 | PLAISTOW | 1 |
| 603 | PLYMOUTH | 1 |
| 603 | PORTSMOUTH | 1 |
| 603 | RAYMOND | 1 |
| 603 | RINDGE | 1 |
| 603 | ROCHESTER | 1 |
| 603 | RUMNEY | 1 |
| 603 | RYE BEACH | 1 |
| 603 | SALEM | 1 |
| 603 | SANBORNVL | 1 |
| 603 | SEABROOK | 1 |
| 603 | SO HAMPTON | 1 |
| 603 | SOMERSWTH | 1 |
| 603 | SPOFFORD | 1 |
| 603 | SULLIVAN | 1 |
| 603 | SUNAPEE | 1 |
| 603 | SUNCOOK | 1 |
| 603 | TAMWORTH | 1 |
| 603 | TILTON | 1 |
| 603 | TROY | 1 |
| 603 | TWIN MT | 1 |
| 603 | W LEBANON | 1 |
| 603 | WALPOLE | 1 |
| 603 | WARREN | 1 |
| 603 | WCHESTEFLD | 1 |
| 603 | WESTMORELD | 1 |
| 603 | WHITEFIELD | 1 |
| 603 | WINCHESTER | 1 |
| 603 | WOLFEBORO | 1 |
| 603 | WOODSVILLE | 1 |
| 603 | WSTEWATSTN | 1 |