Here is the list of all the Secondary Switching Areas in India which you can use to apply for a Class C License.
| LIST OF SECONDARY SWITCHING AREA (SSA) | ||
| S. No. | Telecom Circle/ Metro Area | Secondary Switching Area |
| 1 | ANDAMAN & NICOBAR | ANDAMAN & NICOBAR |
| 2 | ANDHRA PRADESH | ADILABAD |
| 3 | ANDHRA PRADESH | ANANTPUR (GUNTKAL) |
| 4 | ANDHRA PRADESH | CHITTOOR |
| 5 | ANDHRA PRADESH | CUDDAPAH |
| 6 | ANDHRA PRADESH | ELURU |
| 7 | ANDHRA PRADESH | GUNTUR |
| 8 | ANDHRA PRADESH | HYDERABAD |
| 9 | ANDHRA PRADESH | KARIMNAGAR |
| 10 | ANDHRA PRADESH | KHAMAM |
| 11 | ANDHRA PRADESH | KURNOOL |
| 12 | ANDHRA PRADESH | MAHABUBNAGAR |
| 13 | ANDHRA PRADESH | NALGONDA |
| 14 | ANDHRA PRADESH | NELLORE |
| 15 | ANDHRA PRADESH | NIZAMABAD |
| 16 | ANDHRA PRADESH | ONGOLE |
| 17 | ANDHRA PRADESH | RAJAHMUNDRI |
| 18 | ANDHRA PRADESH | SANGAREDDY |
| 19 | ANDHRA PRADESH | SRIKAKULAM |
| 20 | ANDHRA PRADESH | VISAKHAPATNAM |
| 21 | ANDHRA PRADESH | VIZAYANAGARAM |
| 22 | ANDHRA PRADESH | WARANGAL |
| 23 | ANDHRA PRADESH | VIJAYAWADA |
| 24 | ASSAM | GUWAHATI |
| 25 | ASSAM | SILCHAR |
| 26 | ASSAM | TEZPUR |
| 27 | ASSAM | TINSUKHIA (DIBRUGARH) |
| 28 | ASSAM | BONGAIGAON (KOKRAJHAR) |
| 29 | ASSAM | JORHAT |
| 30 | ASSAM | NAGAON |
| 31 | BIHAR | CHAPRA |
| 32 | BIHAR | DALTONGANJ |
| 33 | BIHAR | DARBHANGA |
| 34 | BIHAR | DEOGHAR (DUMKA) |
| 35 | BIHAR | GAYA |
| 36 | BIHAR | HAZARIBAGH |
| 37 | BIHAR | JAMSHEDPUR |
| 38 | BIHAR | KATIHAR |
| 39 | BIHAR | MOTIHARI |
| 40 | BIHAR | MUZAFFARPUR |
| 41 | BIHAR | PATNA |
| 42 | BIHAR | RANCHI |
| 43 | BIHAR | SAHARSA |
| 44 | BIHAR | ARRAH |
| 45 | BIHAR | BHAGALPUR |
| 46 | BIHAR | DHANBAD |
| 47 | BIHAR | MONGHYAR |
| 48 | BIHAR | SASARAM |
| 49 | GUJARAT | AHMEDABAD |
| 50 | GUJARAT | BHARUCH |
| 51 | GUJARAT | BHUJ |
| 52 | GUJARAT | GODHRA |
| 53 | GUJARAT | JAMNAGAR |
| 54 | GUJARAT | PALANPUR |
| 55 | GUJARAT | SURAT |
| 56 | GUJARAT | VADODARA |
| 57 | GUJARAT | AMRELI |
| 58 | GUJARAT | BHAVNAGAR |
| 59 | GUJARAT | HIMATNAGAR |
| 60 | GUJARAT | JUNAGARH |
| 61 | GUJARAT | MEHSANA |
| 62 | GUJARAT | NADIAD |
| 63 | GUJARAT | RAJKOT |
| 64 | GUJARAT | SURENDRANAGAR |
| 65 | GUJARAT | VALSAD |
| 66 | HARYANA | AMBALA |
| 67 | HARYANA | GURGAON |
| 68 | HARYANA | HISSAR |
| 69 | HARYANA | NARNAUL |
| 70 | HARYANA | ROHTAK |
| 71 | HARYANA | JIND |
| 72 | HARYANA | KARNAL |
| 73 | HARYANA | SONIPAT |
| 74 | HIMACHAL PRADESH | KANGRA (DHARMSALA) |
| 75 | HIMACHAL PRADESH | KULLU |
| 76 | HIMACHAL PRADESH | SHIMLA |
| 77 | HIMACHAL PRADESH | HAMIRPUR |
| 78 | HIMACHAL PRADESH | MANDI |
| 79 | HIMACHAL PRADESH | SOLAN |
| 80 | JAMMU & KASHMIR | SRINAGAR |
| 81 | JAMMU & KASHMIR | JAMMU |
| 82 | JAMMU & KASHMIR | LEH |
| 83 | JAMMU & KASHMIR | RAJOURI |
| 84 | JAMMU & KASHMIR | UDHAMPUR |
| 85 | KERALA | CALICUT (KOZHIKODE) |
| 86 | KERALA | CANNANORE |
| 87 | KERALA | ERNAKULAM |
| 88 | KERALA | KAVARATHY |
| 89 | KERALA | PALGHAT |
| 90 | KERALA | QUILON |
| 91 | KERALA | TIRUVALLA |
| 92 | KERALA | TRICHUR |
| 93 | KERALA | ALLEPPY |
| 94 | KERALA | KOTTAYAM |
| 95 | KERALA | THIRUVANANTHAPURAM |
| 96 | KARNATAKA | BELGAUM |
| 97 | KARNATAKA | BELLARY |
| 98 | KARNATAKA | BIDAR |
| 99 | KARNATAKA | BIJAPUR |
| 100 | KARNATAKA | DAKSHIN KANADA (MANGALORE) |
| 101 | KARNATAKA | GULBARGA |
| 102 | KARNATAKA | HUBLI |
| 103 | KARNATAKA | RAICHUR |
| 104 | KARNATAKA | SHIMOGA |
| 105 | KARNATAKA | TUMKUR |
| 106 | KARNATAKA | UTTAR KANADA (KARWAR) |
| 107 | KARNATAKA | BANGALORE |
| 108 | KARNATAKA | CHIKMAGALUR |
| 109 | KARNATAKA | DEVANGERE |
| 110 | KARNATAKA | HASSAN |
| 111 | KARNATAKA | KODAGU (MADIKERI) |
| 112 | KARNATAKA | KOLAR |
| 113 | KARNATAKA | MANDYA |
| 114 | KARNATAKA | MYSORE |
| 115 | MAHARASHTRA | AHMEDNAGAR |
| 116 | MAHARASHTRA | AMRAVATI |
| 117 | MAHARASHTRA | AURANGABAD |
| 118 | MAHARASHTRA | BHANDARA |
| 119 | MAHARASHTRA | BHIR |
| 120 | MAHARASHTRA | BULDHANA |
| 121 | MAHARASHTRA | CHANDRAPUR |
| 122 | MAHARASHTRA | DHULE |
| 123 | MAHARASHTRA | GADCHIROLI |
| 124 | MAHARASHTRA | JALGAON |
| 125 | MAHARASHTRA | JALNA |
| 126 | MAHARASHTRA | KALYAN |
| 127 | MAHARASHTRA | KOLHAPUR |
| 128 | MAHARASHTRA | NAGPUR |
| 129 | MAHARASHTRA | NASIK |
| 130 | MAHARASHTRA | PEN |
| 131 | MAHARASHTRA | PUNE |
| 132 | MAHARASHTRA | RATNAGIRI |
| 133 | MAHARASHTRA | SANGLI |
| 134 | MAHARASHTRA | SATARA |
| 135 | MAHARASHTRA | SHOLAPUR |
| 136 | MAHARASHTRA | WARDHA |
| 137 | MAHARASHTRA | YEOTMAL |
| 138 | MAHARASHTRA | AKOLA |
| 139 | MAHARASHTRA | KUDAL |
| 140 | MAHARASHTRA | LATUR |
| 141 | MAHARASHTRA | MUMBAI |
| 142 | MAHARASHTRA | NANDED |
| 143 | MAHARASHTRA | OSMANABAD |
| 144 | MAHARASHTRA | PANJI |
| 145 | MAHARASHTRA | PARBHANI |
| 146 | MADHYA PRADESH | BALAGHAT |
| 147 | MADHYA PRADESH | BETUL |
| 148 | MADHYA PRADESH | BHOPAL |
| 149 | MADHYA PRADESH | CHHATARPUR |
| 150 | MADHYA PRADESH | CHHINDWARA |
| 151 | MADHYA PRADESH | DAMOH |
| 152 | MADHYA PRADESH | DHAR |
| 153 | MADHYA PRADESH | GWALIOR |
| 154 | MADHYA PRADESH | INDORE |
| 155 | MADHYA PRADESH | ITARSI |
| 156 | MADHYA PRADESH | JAGDALPUR |
| 157 | MADHYA PRADESH | JHABUA |
| 158 | MADHYA PRADESH | KHANDWA |
| 159 | MADHYA PRADESH | KHARGONE |
| 160 | MADHYA PRADESH | MANDLA |
| 161 | MADHYA PRADESH | MANDSAUR |
| 162 | MADHYA PRADESH | MORENA |
| 163 | MADHYA PRADESH | RAIGARH |
| 164 | MADHYA PRADESH | RAIPUR |
| 165 | MADHYA PRADESH | RATLAM |
| 166 | MADHYA PRADESH | REWA |
| 167 | MADHYA PRADESH | SEONI |
| 168 | MADHYA PRADESH | SHIVPURI |
| 169 | MADHYA PRADESH | VIDISHA |
| 170 | MADHYA PRADESH | BILASPUR |
| 171 | MADHYA PRADESH | DEWAS |
| 172 | MADHYA PRADESH | DURG |
| 173 | MADHYA PRADESH | GUNA |
| 174 | MADHYA PRADESH | JABALPUR |
| 175 | MADHYA PRADESH | NARSINGHPUR |
| 176 | MADHYA PRADESH | PANNA |
| 177 | MADHYA PRADESH | RAISEN |
| 178 | MADHYA PRADESH | RAJGARH |
| 179 | MADHYA PRADESH | SAGAR |
| 180 | MADHYA PRADESH | SARGUJA (AMBIKAPUR) |
| 181 | MADHYA PRADESH | SATNA |
| 182 | MADHYA PRADESH | SHAHDOL |
| 183 | MADHYA PRADESH | SHAJAPUR |
| 184 | MADHYA PRADESH | SIDHI |
| 185 | MADHYA PRADESH | UJJAIN |
| 186 | DELHI | DELHI |
| 187 | NORTH EAST | ARUNACHAL PRADESH (ZERO) |
| 188 | NORTH EAST | MANIPUR (IMPHAL) |
| 189 | NORTH EAST | MEGHALAYA (SHILLONG) |
| 190 | NORTH EAST | MIZORAM (AIZAWL) |
| 191 | NORTH EAST | NAGALAND (KOHIMA) |
| 192 | NORTH EAST | TRIPURA (AGARTALA) |
| 193 | ORISSA | BOLANGIR |
| 194 | ORISSA | BALASORE |
| 195 | ORISSA | BARIPADA |
| 196 | ORISSA | BHAWANIPATNA |
| 197 | ORISSA | BHUBANESWAR (PURI) |
| 198 | ORISSA | CUTTACK |
| 199 | ORISSA | DHENKANAL |
| 200 | ORISSA | KORAPUT |
| 201 | ORISSA | PHULBANI |
| 202 | ORISSA | SAMBALPUR |
| 203 | ORISSA | SUNDARGARH (ROURKELA) |
| 204 | ORISSA | BERHAMPUR |
| 205 | PUNJAB | AMRITSAR |
| 206 | PUNJAB | PATHANKOT |
| 207 | PUNJAB | BHATINDA |
| 208 | PUNJAB | FEROZEPUR |
| 209 | PUNJAB | HOSIARPUR |
| 210 | PUNJAB | JALANDHAR |
| 211 | PUNJAB | LUDHIANA |
| 212 | PUNJAB | PATIALA |
| 213 | PUNJAB | ROPAR |
| 214 | PUNJAB | SANGRUR |
| 215 | PUNJAB | CHANDIGARH |
| 216 | RAJASTHAN | AJMER |
| 217 | RAJASTHAN | ALWAR |
| 218 | RAJASTHAN | BARMER |
| 219 | RAJASTHAN | BHARATPUR |
| 220 | RAJASTHAN | BHILWARA |
| 221 | RAJASTHAN | BIKANER |
| 222 | RAJASTHAN | BUNDI |
| 223 | RAJASTHAN | CHITTORGARH |
| 224 | RAJASTHAN | JAIPUR |
| 225 | RAJASTHAN | JAISALMER |
| 226 | RAJASTHAN | JHALAWAR |
| 227 | RAJASTHAN | JODHPUR |
| 228 | RAJASTHAN | KOTA |
| 229 | RAJASTHAN | NAGAUR |
| 230 | RAJASTHAN | SAWAIMADHOPUR |
| 231 | RAJASTHAN | SIKAR |
| 232 | RAJASTHAN | SIROHI |
| 233 | RAJASTHAN | SRIGANGANAGAR |
| 234 | RAJASTHAN | UDAIPUR |
| 235 | RAJASTHAN | BANSWARA |
| 236 | RAJASTHAN | CHURU |
| 237 | RAJASTHAN | JHUNJHUNU |
| 238 | RAJASTHAN | PALI (MARWAR) |
| 239 | RAJASTHAN | TONK |
| 240 | TAMILNADU | TRICHY |
| 241 | TAMILNADU | CHENGALPATTU (KANCHEEPURAM) |
| 242 | TAMILNADU | COIMBATORE |
| 243 | TAMILNADU | CUDDALORE |
| 244 | TAMILNADU | DHARAMAPURI |
| 245 | TAMILNADU | ERODE |
| 246 | TAMILNADU | KARAIKUDI |
| 247 | TAMILNADU | MADURAI |
| 248 | TAMILNADU | NAGARCOIL |
| 249 | TAMILNADU | OOTY |
| 250 | TAMILNADU | SALEM |
| 251 | TAMILNADU | THANJAVUR |
| 252 | TAMILNADU | TIRUNELVELLI |
| 253 | TAMILNADU | TUTICORIN |
| 254 | TAMILNADU | VELLORE |
| 255 | TAMILNADU | VIRUDHUNAGAR |
| 256 | TAMILNADU | CHENNAI |
| 257 | TAMILNADU | PONDICHERRY |
| 258 | UTTAR PRADESH (EAST) | ALLAHABAD |
| 259 | UTTAR PRADESH (EAST) | BALLIA |
| 260 | UTTAR PRADESH (EAST) | BANDA |
| 261 | UTTAR PRADESH (EAST) | BARABANKI |
| 262 | UTTAR PRADESH (EAST) | FARRUKHABAD |
| 263 | UTTAR PRADESH (EAST) | GORAKHPUR |
| 264 | UTTAR PRADESH (EAST) | JHANSI |
| 265 | UTTAR PRADESH (EAST) | KANPUR |
| 266 | UTTAR PRADESH (EAST) | LAKHIMPUR KHERI |
| 267 | UTTAR PRADESH (EAST) | LUCKNOW |
| 268 | UTTAR PRADESH (EAST) | MIRZAPUR |
| 269 | UTTAR PRADESH (EAST) | RAIBAREILLY |
| 270 | UTTAR PRADESH (EAST) | SITAPUR |
| 271 | UTTAR PRADESH (EAST) | AZAMGARH |
| 272 | UTTAR PRADESH (EAST) | BAHRAICH |
| 273 | UTTAR PRADESH (EAST) | BASTI |
| 274 | UTTAR PRADESH (EAST) | DEORIA |
| 275 | UTTAR PRADESH (EAST) | ETAWAH |
| 276 | UTTAR PRADESH (EAST) | FAIZABAD |
| 277 | UTTAR PRADESH (EAST) | FATEHPUR |
| 278 | UTTAR PRADESH (EAST) | GHAZIPUR |
| 279 | UTTAR PRADESH (EAST) | GONDA |
| 280 | UTTAR PRADESH (EAST) | HAMIRPUR |
| 281 | UTTAR PRADESH (EAST) | HARDOI |
| 282 | UTTAR PRADESH (EAST) | JAUNPUR |
| 283 | UTTAR PRADESH (EAST) | MAINPURI |
| 284 | UTTAR PRADESH (EAST) | ORAI |
| 285 | UTTAR PRADESH (EAST) | PRATAPGARH |
| 286 | UTTAR PRADESH (EAST) | SAHJAHANPUR |
| 287 | UTTAR PRADESH (EAST) | SULTANPUR |
| 288 | UTTAR PRADESH (EAST) | UNNAO |
| 289 | UTTAR PRADESH (EAST) | VARANASI |
| 290 | UTTAR PRADESH (WEST) | ALMORA |
| 291 | UTTAR PRADESH (WEST) | BAREILLY |
| 292 | UTTAR PRADESH (WEST) | BUDAUN |
| 293 | UTTAR PRADESH (WEST) | DEHRADUN |
| 294 | UTTAR PRADESH (WEST) | UTTARKASHI |
| 295 | UTTAR PRADESH (WEST) | AGRA |
| 296 | UTTAR PRADESH (WEST) | ALIGARH |
| 297 | UTTAR PRADESH (WEST) | BIJNORE |
| 298 | UTTAR PRADESH (WEST) | ETAH |
| 299 | UTTAR PRADESH (WEST) | GHAZIABAD |
| 300 | UTTAR PRADESH (WEST) | KOTDWARA |
| 301 | UTTAR PRADESH (WEST) | MATHURA |
| 302 | UTTAR PRADESH (WEST) | MEERUT |
| 303 | UTTAR PRADESH (WEST) | MORADABAD |
| 304 | UTTAR PRADESH (WEST) | MUZAFFARNAGAR |
| 305 | UTTAR PRADESH (WEST) | NAINITAL |
| 306 | UTTAR PRADESH (WEST) | PILIBHIT |
| 307 | UTTAR PRADESH (WEST) | RAMPUR |
| 308 | UTTAR PRADESH (WEST) | SAHARANPUR |
| 309 | WEST BENGAL | ASANSOL |
| 310 | WEST BENGAL | BALURGHAT (RAIGANJ) |
| 311 | WEST BENGAL | BEHRAMPUR |
| 312 | WEST BENGAL | CALCUTTA |
| 313 | WEST BENGAL | JALPAIGURI |
| 314 | WEST BENGAL | KRISHNAGAR |
| 315 | WEST BENGAL | MALDA |
| 316 | WEST BENGAL | MIDNAPUR (KHARAGPUR) |
| 317 | WEST BENGAL | PURULIA |
| 318 | WEST BENGAL | BANKURA |
| 319 | WEST BENGAL | COOCH BEHAR |
| 320 | WEST BENGAL | DARJEELING (SILIGURI) |
| 321 | WEST BENGAL | GANGTOK |
| 322 | WEST BENGAL | SURI |
